comma-ai

comma four An AI upgrade for your car Lanecentering Dashcamrecording Adaptivecruise OTAupdates Lanechanging 360° vision Buy now Buy it, plug it in, and engage. comma four works with the car you already drive. It's active driver assistance for your Toyota, Hyundai, Ford, and more. openpilot can drive for hours without driver action. It works on 325+ car models from 27 brands. Is your car supported? Hyundai Sonata 2020-23 Hyundai Palisade 2020-22 Kia Niro EV 2019-23 Lexus ES 2019-22 Toyota Corolla 2020-22 Toyota Rav4 2019-22 View all 325+ cars comma is real 300+ million miles driven and 20k users. Our GitHub repo has 50k stars. Featured in Follow us on 𝕏 @comma_ai. Careers We are hiring Join us in building the future. /01 product /02 autonomy /03 operations We're looking for talented individuals, able to work independently, and ready to make a meaningful impact. See open positions --- 300+ million Miles driven 56% Miles driven are engaged 20,000+ Active users 1000+ Contributors openpilot is an open source advanced driver assistance system that works on 325+ car models of Toyota, Hyundai, Honda, and many other brands. Automated Lane Centering Adaptive Cruise Control Lane Change Assist Driver Monitoring (no wheel nags) Can drive for hours without intervention Open source and developed on GitHub 01 Makes driving chill Currently, openpilot performs the functions of Adaptive Cruise Control (ACC) and Automated Lane Centering (ALC). openpilot can accelerate, brake automatically for other vehicles, and steer to follow the road/lane. When openpilot is enabled, a driver monitoring system watches the driver and ensures the driver is attentive and ready to take over at all times. When used correctly, these features reduce your workload as a driver, and can make long drives relaxing instead of tedious. 02 Connects to your car openpilot works by connecting to your car's CAN network. Modern cars accept electronic steering, gas, and brake commands to allow for ADAS features. openpilot can use these commands to provide much better ADAS features than the car manufacturers can provide. 03 Modern machine learning openpilot contains a state-of-the-art neural network that understands the road scene and predicts where to drive. This neural network has learned to drive by watching the millions of miles of driving data openpilot has recorded. This makes openpilot exceptionally good at nuanced situations such as driving in areas with faded lanelines, different countries, and more. 04 Open source and community supported openpilot is developed by comma and by users like you. We welcome both pull requests and issues on GitHub. Bug fixes and new car ports are strongly encouraged. Check out the contributing docs. View on GitHub Latest Release Notes March 17, 2026 openpilot 0.11 The first robotics agent fully trained in a learned simulation December 21, 2025 openpilot 0.10.3 New driving and driver monitoring models October 28, 2025 openpilot 0.10.1 New driving model, new DM model, and brand new UI. August 21, 2025 openpilot 0.10 After three years on the 0.9 series, we welcome you to the 0.10 series. June 19, 2025 openpilot 0.9.9 New driving model, live lateral lag learning, and Tesla support March 18, 2025 openpilot 0.9.8 Gas Gating, 300+ supported cars, Rivian R1T and R1S support, Ford F-150 support, and more! 05 Try openpilot on the comma four Love it or return it. Every comma four comes with a 30-day money back trial. 360° visionW/ 3 cameras Qualcomm snapdragon 845 MAX LTE & WiFi BEAUTIFULOLED display CAN FD ENABLED High-precision GPS Buy now 06 Proven on the road Our 20,000+ users have driven over 300 million miles with a device running openpilot. Over 56% of those miles were driven by openpilot, with the driver supervising. --- comma four $999 Free rush shipping Select a harness to connect the comma four to your car. Select your car I already have a car harness (‑$50) Acura ILX 2016-18 Harness: Honda Nidec Acura ILX 2019 Harness: Honda Nidec Acura MDX 2025-26 Harness: Honda Bosch C Acura RDX 2016-18 Harness: Honda Nidec Acura RDX 2019-21 Harness: Honda Bosch A Acura TLX 2021 Harness: Honda Bosch A Acura TLX 2025 Harness: Honda Bosch C Audi A3 2014-19 Harness: VW J533 Audi A3 Sportback e-tron 2017-18 Harness: VW J533 Audi Q2 2018 Harness: VW J533 Audi Q3 2019-24 Harness: VW J533 Audi RS3 2018 Harness: VW J533 Audi S3 2015-17 Harness: VW J533 Chevrolet Bolt EUV 2022-23 Harness: GM Chevrolet Bolt EV 2022-23 Harness: GM Chevrolet Equinox 2019-22 Harness: GM Chevrolet Silverado 1500 2020-21 Harness: GM Chevrolet Trailblazer 2021-22 Harness: GM Chrysler Pacifica 2017-18 Harness: FCA Chrysler Pacifica 2019-20 Harness: FCA Chrysler Pacifica 2021-23 Harness: FCA Chrysler Pacifica Hybrid 2017-18 Harness: FCA Chrysler Pacifica Hybrid 2019-25 Harness: FCA CUPRA Ateca 2018-23 Harness: VW J533 Dodge Durango 2020-21 Harness: FCA Ford Bronco Sport 2021-24 Harness: Ford Q3 Ford Escape 2020-22 Harness: Ford Q3 Ford Escape 2023-24 Harness: Ford Q4 Ford Escape Hybrid 2020-22 Harness: Ford Q3 Ford Escape Hybrid 2023-24 Harness: Ford Q4 Ford Escape Plug-in Hybrid 2020-22 Harness: Ford Q3 Ford Escape Plug-in Hybrid 2023-24 Harness: Ford Q4 Ford Expedition 2022-24 Harness: Ford Q4 Ford Explorer 2020-24 Harness: Ford Q3 Ford Explorer Hybrid 2020-24 Harness: Ford Q3 Ford F-150 2021-23 Harness: Ford Q4 Ford F-150 Hybrid 2021-23 Harness: Ford Q4 Ford Focus 2018 Harness: Ford Q3 Ford Focus Hybrid 2018 Harness: Ford Q3 Ford Kuga 2020-23 Harness: Ford Q3 Ford Kuga Hybrid 2020-23 Harness: Ford Q3 Ford Kuga Hybrid 2024 Harness: Ford Q4 Ford Kuga Plug-in Hybrid 2020-23 Harness: Ford Q3 Ford Kuga Plug-in Hybrid 2024 Harness: Ford Q4 Ford Maverick 2022 Harness: Ford Q3 Ford Maverick 2023-24 Harness: Ford Q3 Ford Maverick Hybrid 2022 Harness: Ford Q3 Ford Maverick Hybrid 2023-24 Harness: Ford Q3 Ford Mustang Mach-E 2021-24 Harness: Ford Q4 Ford Ranger 2024 Harness: Ford Q4 Genesis G70 2018 Harness: Hyundai F Genesis G70 2019-21 Harness: Hyundai F Genesis G70 2022-23 Harness: Hyundai L Genesis G80 2017 Harness: Hyundai J Genesis G80 2018-19 Harness: Hyundai H Genesis G80 (2.5T Advanced Trim, with HDA II) 2024 Harness: Hyundai P Genesis G90 2017-20 Harness: Hyundai C Genesis GV60 (Advanced Trim) 2023 Harness: Hyundai A Genesis GV60 (Performance Trim) 2022-23 Harness: Hyundai K Genesis GV70 (2.5T Trim, without HDA II) 2022-24 Harness: Hyundai L Genesis GV70 (3.5T Trim, without HDA II) 2022-23 Harness: Hyundai M Genesis GV70 Electrified (Australia Only) 2022 Harness: Hyundai Q Genesis GV70 Electrified (with HDA II) 2023-24 Harness: Hyundai Q Genesis GV80 2023 Harness: Hyundai M GMC Sierra 1500 2020-21 Harness: GM Honda Accord 2018-22 Harness: Honda Bosch A Honda Accord 2023-25 Harness: Honda Bosch C Honda Accord Hybrid 2018-22 Harness: Honda Bosch A Honda Accord Hybrid 2023-25 Harness: Honda Bosch C Honda City (Brazil only) 2023 Harness: Honda Bosch B Honda Civic 2016-18 Harness: Honda Nidec Honda Civic 2019-21 Harness: Honda Bosch A Honda Civic 2022-24 Harness: Honda Bosch B Honda Civic Hatchback 2017-18 Harness: Honda Bosch A Honda Civic Hatchback 2019-21 Harness: Honda Bosch A Honda Civic Hatchback 2022-24 Harness: Honda Bosch B Honda Civic Hatchback Hybrid 2025-26 Harness: Honda Bosch B Honda Civic Hatchback Hybrid (Europe only) 2023 Harness: Honda Bosch B Honda Civic Hybrid 2025-26 Harness: Honda Bosch B Honda CR-V 2015-16 Harness: Honda Nidec Honda CR-V 2017-22 Harness: Honda Bosch A Honda CR-V 2023-26 Harness: Honda Bosch C Honda CR-V Hybrid 2017-22 Harness: Honda Bosch A Honda CR-V Hybrid 2023-26 Harness: Honda Bosch C Honda e 2020 Harness: Honda Bosch A Honda Fit 2018-20 Harness: Honda Nidec Honda Freed 2020 Harness: Honda Nidec Honda HR-V 2019-22 Harness: Honda Nidec Honda HR-V 2023-25 Harness: Honda Bosch B Honda Insight 2019-22 Harness: Honda Bosch A Honda Inspire 2018 Harness: Honda Bosch A Honda N-Box 2018 Harness: Honda Bosch A Honda Odyssey 2018-20 Harness: Honda Nidec Honda Odyssey 2021-26 Harness: Honda Bosch A Honda Odyssey (Taiwan) 2018-19 Harness: Honda Nidec Honda Passport 2019-25 Harness: Honda Nidec Honda Passport 2026 Harness: Honda Bosch C Honda Pilot 2016-22 Harness: Honda Nidec Honda Pilot 2023-25 Harness: Honda Bosch C Honda Ridgeline 2017-25 Harness: Honda Nidec Hyundai Azera 2022 Harness: Hyundai K Hyundai Azera Hybrid 2019 Harness: Hyundai C Hyundai Azera Hybrid 2020 Harness: Hyundai K Hyundai Custin 2023 Harness: Hyundai K Hyundai Elantra 2017-18 Harness: Hyundai B Hyundai Elantra 2019 Harness: Hyundai G Hyundai Elantra 2021-23 Harness: Hyundai K Hyundai Elantra GT 2017-20 Harness: Hyundai E Hyundai Elantra Hybrid 2021-23 Harness: Hyundai K Hyundai Genesis 2015-16 Harness: Hyundai J Hyundai i30 2017-19 Harness: Hyundai E Hyundai Ioniq 5 (Southeast Asia and Europe only) 2022-24 Harness: Hyundai Q Hyundai Ioniq 5 (with HDA II) 2022-24 Harness: Hyundai Q Hyundai Ioniq 5 (without HDA II) 2022-24 Harness: Hyundai K Hyundai Ioniq 6 (with HDA II) 2023-24 Harness: Hyundai P Hyundai Ioniq Electric 2019 Harness: Hyundai C Hyundai Ioniq Electric 2020 Harness: Hyundai H Hyundai Ioniq Hybrid 2017-19 Harness: Hyundai C Hyundai Ioniq Hybrid 2020-22 Harness: Hyundai H Hyundai Ioniq Plug-in Hybrid 2019 Harness: Hyundai C Hyundai Ioniq Plug-in Hybrid 2020-22 Harness: Hyundai H Hyundai Kona 2020 Harness: Hyundai B Hyundai Kona Electric 2018-21 Harness: Hyundai G Hyundai Kona Electric 2022-23 Harness: Hyundai O Hyundai Kona Electric (with HDA II, Korea only) 2023 Harness: Hyundai R Hyundai Kona Hybrid 2020 Harness: Hyundai I Hyundai Nexo 2021 Harness: Hyundai H Hyundai Palisade 2020-22 Harness: Hyundai H Hyundai Santa Cruz 2022-24 Harness: Hyundai N Hyundai Santa Fe 2019-20 Harness: Hyundai D Hyundai Santa Fe 2021-23 Harness: Hyundai L Hyundai Santa Fe Hybrid 2022-23 Harness: Hyundai L Hyundai Santa Fe Plug-in Hybrid 2022-23 Harness: Hyundai L Hyundai Sonata 2018-19 Harness: Hyundai E Hyundai Sonata 2020-23 Harness: Hyundai A Hyundai Sonata Hybrid 2020-23 Harness: Hyundai A Hyundai Staria 2023 Harness: Hyundai K Hyundai Tucson 2021 Harness: Hyundai L Hyundai Tucson 2022 Harness: Hyundai N Hyundai Tucson 2023-24 Harness: Hyundai N Hyundai Tucson Diesel 2019 Harness: Hyundai L Hyundai Tucson Hybrid 2022-24 Harness: Hyundai N Hyundai Tucson Plug-in Hybrid 2024 Harness: Hyundai N Hyundai Veloster 2019-20 Harness: Hyundai E Jeep Grand Cherokee 2016-18 Harness: FCA Jeep Grand Cherokee 2019-21 Harness: FCA Kia Carnival 2022-24 Harness: Hyundai A Kia Carnival (China only) 2023 Harness: Hyundai K Kia Ceed 2019-21 Harness: Hyundai E Kia EV6 (Southeast Asia only) 2022-24 Harness: Hyundai P Kia EV6 (with HDA II) 2022-24 Harness: Hyundai P Kia EV6 (without HDA II) 2022-24 Harness: Hyundai L Kia Forte 2019-21 Harness: Hyundai G Kia Forte 2022-23 Harness: Hyundai E Kia K5 2021-24 Harness: Hyundai A Kia K5 Hybrid 2020-22 Harness: Hyundai A Kia K7 2017 Harness: Hyundai C Kia K8 Hybrid (with HDA II) 2023 Harness: Hyundai Q Kia Niro EV 2019 Harness: Hyundai H Kia Niro EV 2020 Harness: Hyundai F Kia Niro EV 2021 Harness: Hyundai C Kia Niro EV 2022 Harness: Hyundai H Kia Niro EV (with HDA II) 2025 Harness: Hyundai R Kia Niro EV (without HDA II) 2023-25 Harness: Hyundai A Kia Niro Hybrid 2018 Harness: Hyundai C Kia Niro Hybrid 2021 Harness: Hyundai D Kia Niro Hybrid 2022 Harness: Hyundai F Kia Niro Hybrid 2023 Harness: Hyundai A Kia Niro Plug-in Hybrid 2018-19 Harness: Hyundai C Kia Niro Plug-in Hybrid 2020 Harness: Hyundai D Kia Niro Plug-in Hybrid 2021 Harness: Hyundai D Kia Niro Plug-in Hybrid 2022 Harness: Hyundai F Kia Optima 2017 Harness: Hyundai B Kia Optima 2019-20 Harness: Hyundai G Kia Optima Hybrid 2019 Harness: Hyundai H Kia Seltos 2021 Harness: Hyundai A Kia Sorento 2018 Harness: Hyundai E Kia Sorento 2019 Harness: Hyundai E Kia Sorento 2021-23 Harness: Hyundai K Kia Sorento Hybrid 2021-23 Harness: Hyundai A Kia Sorento Plug-in Hybrid 2022-23 Harness: Hyundai A Kia Sportage 2023-24 Harness: Hyundai N Kia Sportage Hybrid 2023 Harness: Hyundai N Kia Stinger 2018-20 Harness: Hyundai C Kia Stinger 2022-23 Harness: Hyundai K Kia Telluride 2020-22 Harness: Hyundai H Lexus CT Hybrid 2017-18 Harness: Toyota A Lexus ES 2017-18 Harness: Toyota A Lexus ES 2019-25 Harness: Toyota A Lexus ES Hybrid 2017-18 Harness: Toyota A Lexus ES Hybrid 2019-25 Harness: Toyota A Lexus GS F 2016 Harness: Toyota A Lexus IS 2017-19 Harness: Toyota A Lexus IS 2022-24 Harness: Toyota A Lexus LC 2024-25 Harness: Toyota A Lexus LS 2018 Harness: Toyota A Lexus NX 2018-19 Harness: Toyota A Lexus NX 2020-21 Harness: Toyota A Lexus NX Hybrid 2018-19 Harness: Toyota A Lexus NX Hybrid 2020-21 Harness: Toyota A Lexus RC 2018-20 Harness: Toyota A Lexus RC 2023 Harness: Toyota A Lexus RX 2016 Harness: Toyota A Lexus RX 2017-19 Harness: Toyota A Lexus RX 2020-22 Harness: Toyota A Lexus RX Hybrid 2016 Harness: Toyota A Lexus RX Hybrid 2017-19 Harness: Toyota A Lexus RX Hybrid 2020-22 Harness: Toyota A Lexus UX Hybrid 2019-24 Harness: Toyota A Lincoln Aviator 2020-24 Harness: Ford Q3 Lincoln Aviator Plug-in Hybrid 2020-24 Harness: Ford Q3 MAN eTGE 2020-24 Harness: VW J533 MAN TGE 2017-24 Harness: VW J533 Mazda CX-5 2022-25 Harness: Mazda Mazda CX-9 2021-23 Harness: Mazda Nissan Altima 2019-20, 2024 Harness: Nissan B Nissan Leaf 2018-23 Harness: Nissan A Nissan Rogue 2018-20 Harness: Nissan A Nissan X-Trail 2017 Harness: Nissan A Ram 1500 2019-24 Harness: Ram Rivian R1S 2022-24 Harness: Rivian A Rivian R1T 2022-24 Harness: Rivian A SEAT Ateca 2016-23 Harness: VW J533 SEAT Leon 2014-20 Harness: VW J533 Subaru Ascent 2019-21 Harness: Subaru A Subaru Crosstrek 2018-19 Harness: Subaru A Subaru Crosstrek 2020-23 Harness: Subaru A Subaru Forester 2019-21 Harness: Subaru A Subaru Impreza 2017-19 Harness: Subaru A Subaru Impreza 2020-22 Harness: Subaru A Subaru Legacy 2020-22 Harness: Subaru B Subaru Outback 2020-22 Harness: Subaru B Subaru XV 2018-19 Harness: Subaru A Subaru XV 2020-21 Harness: Subaru A Škoda Fabia 2022-23 Harness: VW J533 Škoda Kamiq 2021-23 Harness: VW J533 Škoda Karoq 2019-23 Harness: VW J533 Škoda Kodiaq 2017-23 Harness: VW J533 Škoda Octavia 2015-19 Harness: VW J533 Škoda Octavia RS 2016 Harness: VW J533 Škoda Octavia Scout 2017-19 Harness: VW J533 Škoda Scala 2020-23 Harness: VW J533 Škoda Superb 2015-22 Harness: VW J533 Tesla Model 3 (with HW3) 2019-23 Harness: Tesla A Tesla Model 3 (with HW4) 2024-25 Harness: Tesla B Tesla Model Y (with HW3) 2020-23 Harness: Tesla A Tesla Model Y (with HW4) 2024-25 Harness: Tesla B Toyota Alphard 2019-20 Harness: Toyota A Toyota Alphard Hybrid 2021 Harness: Toyota A Toyota Avalon 2016 Harness: Toyota A Toyota Avalon 2017-18 Harness: Toyota A Toyota Avalon 2019-21 Harness: Toyota A Toyota Avalon 2022 Harness: Toyota A Toyota Avalon Hybrid 2019-21 Harness: Toyota A Toyota Avalon Hybrid 2022 Harness: Toyota A Toyota C-HR 2017-20 Harness: Toyota A Toyota C-HR 2021 Harness: Toyota A Toyota C-HR Hybrid 2017-20 Harness: Toyota A Toyota C-HR Hybrid 2021-22 Harness: Toyota A Toyota Camry 2018-20 Harness: Toyota A Toyota Camry 2021-24 Harness: Toyota A Toyota Camry Hybrid 2018-20 Harness: Toyota A Toyota Camry Hybrid 2021-24 Harness: Toyota A Toyota Corolla 2017-19 Harness: Toyota A Toyota Corolla 2020-22 Harness: Toyota A Toyota Corolla Cross (Non-US only) 2020-23 Harness: Toyota A Toyota Corolla Cross Hybrid (Non-US only) 2020-22 Harness: Toyota A Toyota Corolla Hatchback 2019-22 Harness: Toyota A Toyota Corolla Hybrid 2020-22 Harness: Toyota A Toyota Corolla Hybrid (South America only) 2020-23 Harness: Toyota A Toyota Highlander 2017-19 Harness: Toyota A Toyota Highlander 2020-23 Harness: Toyota A Toyota Highlander Hybrid 2017-19 Harness: Toyota A Toyota Highlander Hybrid 2020-23 Harness: Toyota A Toyota Mirai 2021 Harness: Toyota A Toyota Prius 2016 Harness: Toyota A Toyota Prius 2017-20 Harness: Toyota A Toyota Prius 2021-22 Harness: Toyota A Toyota Prius Prime 2017-20 Harness: Toyota A Toyota Prius Prime 2021-22 Harness: Toyota A Toyota Prius v 2017 Harness: Toyota A Toyota RAV4 2016 Harness: Toyota A Toyota RAV4 2017-18 Harness: Toyota A Toyota RAV4 2019-21 Harness: Toyota A Toyota RAV4 2022 Harness: Toyota A Toyota RAV4 2023-25 Harness: Toyota A Toyota RAV4 Hybrid 2016 Harness: Toyota A Toyota RAV4 Hybrid 2017-18 Harness: Toyota A Toyota RAV4 Hybrid 2019-21 Harness: Toyota A Toyota RAV4 Hybrid 2022 Harness: Toyota A Toyota RAV4 Hybrid 2023-25 Harness: Toyota A Toyota Sienna 2018-20 Harness: Toyota A Volkswagen Arteon 2018-23 Harness: VW J533 Volkswagen Arteon eHybrid 2020-23 Harness: VW J533 Volkswagen Arteon R 2020-23 Harness: VW J533 Volkswagen Arteon Shooting Brake 2020-23 Harness: VW J533 Volkswagen Atlas 2018-23 Harness: VW J533 Volkswagen Atlas Cross Sport 2020-22 Harness: VW J533 Volkswagen California 2021-23 Harness: VW J533 Volkswagen Caravelle 2020 Harness: VW J533 Volkswagen CC 2018-22 Harness: VW J533 Volkswagen Crafter 2017-24 Harness: VW J533 Volkswagen e-Crafter 2018-24 Harness: VW J533 Volkswagen e-Golf 2014-20 Harness: VW J533 Volkswagen Golf 2015-20 Harness: VW J533 Volkswagen Golf Alltrack 2015-19 Harness: VW J533 Volkswagen Golf GTD 2015-20 Harness: VW J533 Volkswagen Golf GTE 2015-20 Harness: VW J533 Volkswagen Golf GTI 2015-21 Harness: VW J533 Volkswagen Golf R 2015-19 Harness: VW J533 Volkswagen Golf SportsVan 2015-20 Harness: VW J533 Volkswagen Grand California 2019-24 Harness: VW J533 Volkswagen Jetta 2019-23 Harness: VW J533 Volkswagen Jetta GLI 2021-23 Harness: VW J533 Volkswagen Passat 2015-22 Harness: VW J533 Volkswagen Passat Alltrack 2015-22 Harness: VW J533 Volkswagen Passat GTE 2015-22 Harness: VW J533 Volkswagen Polo 2018-23 Harness: VW J533 Volkswagen Polo GTI 2018-23 Harness: VW J533 Volkswagen T-Cross 2021 Harness: VW J533 Volkswagen T-Roc 2018-23 Harness: VW J533 Volkswagen Taos 2022-24 Harness: VW J533 Volkswagen Teramont 2018-22 Harness: VW J533 Volkswagen Teramont Cross Sport 2021-22 Harness: VW J533 Volkswagen Teramont X 2021-22 Harness: VW J533 Volkswagen Tiguan 2018-24 Harness: VW J533 Volkswagen Tiguan eHybrid 2021-23 Harness: VW J533 Volkswagen Touran 2016-23 Harness: VW J533 Honda Nidec Honda Bosch A Honda Bosch B Honda Bosch C Toyota A Toyota B Subaru A Subaru B Subaru C Subaru D FCA Hyundai A Hyundai B Hyundai C Hyundai D Hyundai E Hyundai F Hyundai G Hyundai H Hyundai I Hyundai J Hyundai K Hyundai L Hyundai M Hyundai N Hyundai O Hyundai P Hyundai Q Hyundai R Nissan A Nissan B OBD-II Developer VW J533 Mazda Ram GM Ford Q3 Ford Q4 Rivian A Tesla A Tesla B $250 credit with trade-in Get $250 credit when you trade in your old comma device. Any comma device, in any condition. Instructions and Terms SELECT YOUR CAR Upgrading from another comma device? You do not need a new car harness. All comma devices use the same harness. Free Rush (UPS 2nd Day Air) shipping US only. Rush orders are fulfilled on the next business day. International shipping is $30 flat rate. See fine print below for details. Common shipping questions are answered on the FAQ. Try our 30-day money-back trial See for yourself why Consumer Reports rated us as the top driver assistance system. We think you’ll love it, but if you’re not satisfied, send it back for a full refund. 1-year hardware warranty 1-year limited warranty against hardware defects. Meet the comma four comma four is our next generation hardware. It packs the same compute, sensor suite, and functionality as comma 3X into a package one-fifth the size, making it the ideal form factor for your windshield. It runs openpilot, which can drive for hours without driver action. In the Box comma four 2ft OBD-C cable 2 mounts On-device Storage comma four includes on-board storage to store your drives. Storage 128GB built in storage 10 hours of footage Want your video footage saved for longer? – Sign up for comma prime for 1 year of cloud video storage. comma four includes one free month of comma prime. To claim your free prime trial, log into comma connect. Once paired, you can see your recorded drives, SSH into your device from anywhere, and more. Tech Specs Cameras Dual-cam 360° vision and a narrow cam to see far-away objects Processor Qualcomm Snapdragon 845 MAXMax cooling for quiet sustained peak performance. Sensors 3D Accelerometer 3D Gyroscope High-precision GPS Microphone Can FD Enabled Supports CAN FD vehicles without extra hardware Storage 128GB built in storage Connectivity LTE Wi-Fi Night-Vision IR LED for interior night-vision monitoring Display 1.9" 300 PPI OLED display Ports OBD-C port (USB-C w/ CAN) USB 3.1 Gen 2 port Snapdragon 845 MAX Expressive New Interface Configure comma four entirely on the device. No app, subscription, or account required. comma four wakes up when you engage, and hibernates when you disengage. As openpilot approaches its steering limits, the steering arc grows to warn you. As openpilot's confidence in its ability to understand the scene goes up, the confidence ball rises and turns green. comma four Setup Guide 15 min View Guide Car harness comma four is compatible with 325+ cars A supported vehicle is one that just works when you install a comma device. All supported cars provide a better experience than any stock system. View all 325+ cars Software Works with openpilot comma four ships without software installed, so you need to install software. It is compatible with openpilot and a wide variety of community forks. openpilot Try our 30-day money-back trial and see why 92% of buyers keep their comma four and why Consumer Reports rated us as the top driver assistance system. Fine Print 30-Day Return If for any reason you are dissatisfied with anything purchased at the comma.ai shop, ship it back within 30 days for a full refund. comma.ai/returns If you intend to upstream support for a new car model, we may approve an extended return window. Open a ticket request at comma.ai/support. Shipping Free Rush (UPS 2nd Day Air) shipping (US only); signature confirmation required. International shipping is a $30 flat rate; customs/duties/taxes are between you and your country. Please see FAQ for more information. Warranty 1-year limited warranty against hardware defects. Open and repair the comma four at your own risk. comma is not responsible for damages that may occur while repairing devices. Any damage on arrival must be reported to comma support within 14 days of delivery. Software The comma four does not ship with software capable of controlling a car. Open source software can be installed separately. Windshield installation Before using the device on your windshield, check the state and local laws and ordinances where you drive. Some state laws prohibit or restrict the placement of objects on the windshield of a motor vehicle. IT IS THE USER'S RESPONSIBILITY TO MOUNT THE DEVICE IN COMPLIANCE WITH ALL APPLICABLE LAWS AND ORDINANCES. Always mount your device in a location that does not obstruct the driver's view of the road. comma does not assume any responsibility for any fines, penalties, or damages that may be incurred as a result of any state or local law or ordinance relating to the use of your comma device. comma four FAQ Do I need a comma prime monthly subscription to use the device? Absolutely not. comma prime is completely optional and is not needed for any core functionality. comma prime can be activated, cancelled, and re-activated at any time. Does installing a comma device require permanent modifications to the car? Installing a comma device does not require any permanent modifications to your car. Removing the comma device leaves your car in the same state as before the installation. How do I mount my comma device? We recommend the mount be centered on the windshield below the trim (see pictures in the Installation Guide). Be sure to leave enough room to remove the trim in the future. First, clean the windshield with the included alcohol wipe. Ensure the top of the mount is fully visible from the driver’s seat. Adhere mount: peel off the 3M tape’s cover on the mount. Press firmly in the center of the mount, then the edges to ensure no bubbles form. It is the user’s responsibility to mount the device in compliance with all applicable laws and ordinances. Will installing a comma device void my warranty? From the FTC website: "Simply using an aftermarket or recycled part does not void your warranty. The Magnuson-Moss Warranty Act makes it illegal for companies to void your warranty or deny coverage under the warranty simply because you used an aftermarket or recycled part." https://www.consumer.ftc.gov/articles/0138-auto-warranties-routine-maintenance Will my insurance cover my car with a comma device installed? Contact your insurance provider directly; insurance coverage is between the user and their insurance provider. comma hardware users have been able to get coverage and discuss this on Reddit here. Insurance companies are beginning to understand the safety benefits of driver assistance systems like openpilot and we have not heard of any providers rejecting coverage to comma hardware users. Money-back trial What is the 30-day money-back trial? Every vehicle is a little different and the experience can be hard to describe which is why we offer this trial. If you don’t love the comma four, you can return it for a refund–no questions asked. All refunds must be initiated through comma.ai/returns within 30 calendar days of receiving your order. When does the 30-day money-back trial start? The 30-day money-back trial starts the day your comma four is delivered (signature confirmation required for delivery). If you do decide to return your device, we ask that you get the return device in the mail within 30 days of receiving it. How do I return my comma four? To return your device, please request a return at comma.ai/returns. A prepaid return label (or return instructions if not in the US) will be automatically sent to you. $9.99 will be deducted from your refund if you choose to use this label. Are international orders eligible for the trial? Yes. We ask that you get your return device in the mail within 30 days of receiving it. The buyer is responsible for international shipping costs to return a device. Please use tracking and insurance as we are not responsible for lost or stolen packages. Return information is provided by email after initiating a return at comma.ai/returns. --- NEW DEVICE! comma four $999 or $699 after trade-in of any comma device Buy now Works with 325+ cars from 27 brands. Is your car compatible? Works with 325+ cars Compatible with 325+ vehicles. Check compatibility. Easy to plug in Check out our step-by-step guide. Get set up in your car in 15 minutes. 30-day money-back trial See for yourself why Consumer Reports rated us as the top ADAS system. Accessories car harness $99 Buy replacement mounts $20 Buy panda from $99 Buy harness connector $50 Buy harness box $50 Buy OBD-C cable $20 Buy comma power $20 Buy comma prime SIM $20 Buy panda jungle v2 $199 Buy panda paw $20 Buy comma hoodie $89 Buy comma beanie $69 Buy comma t-shirt $35 Buy comma power extender $20 Buy comma device screen $40 Buy comma 3X back case $25 Buy comma 3X out of warranty repair $500 Buy Services Custom car ports Hire the openpilot team to add support for additional car brands and models. See pricing Overview comma openpilot is an open source driver-assistance system. Currently, openpilot performs the functions of Adaptive Cruise Control (ACC) and Automated Lane Centering (ALC) and Lane Change Assist for compatible vehicles. It performs similarly to Tesla Autopilot and GM Super Cruise. openpilot can steer, accelerate, and brake automatically for other vehicles within its lane. Hire the comma openpilot team to add dedicated support for a new make or model vehicle that has electronically controllable gas, brake, and steering. We will work until the port is upstreamed, or on a branch for non production cars. A car must be provided to comma prior to beginning the project. The porting fee includes an installed working comma four when the car is returned and open sourcing of the required interface hardware. This service is intended for pre/non production vehicles. For production vehicles on the market today, we will likely do the port much cheaper, perhaps as cheap as the cost of the car. Included Fully working port for openpilot comma four installed in returned car Completed in 12 weeks Pricing $50,000 Down Payment (immediate) $500,000 Total (due at start of project) $50,000.00 Add to cart Adaptive Cruise Adjusts speed to maintain a safe distance from vehicles ahead. Auto Lane Centering Steers and brakes to continually center the vehicle in its lane. Completed in 12 Weeks Get the fully working port for openpilot upstreamed.