Do I retain my car factory safety features with openpilot installed?

When openpilot is enabled in settings, Lane Keep Assist (LKAS), and Automated Lane Centering (ALC) are replaced by openpilot lateral control and only function when openpilot is engaged. Lane Departure Warning (LDW) works whether engaged or disengaged.

Does openpilot support manual transmission cars (with the driver shifting)?

On certain cars, manual transmissions are supported if they have the packages listed in the compatibility table. If you’d like to learn more, join us on Discord, where some of our members are supporting manual cars.

How does openpilot recognize the car model it is connected to?

If your car is on the list of supported cars, openpilot will automatically recognize the model of your car by performing a scan of relevant ECU firmware versions present in your car.

How do I update openpilot?

All software updates are received over-the-air (OTA). openpilot will automatically check for updates when connected to the internet. Your device will notify you on the screen when an update is available and prompt you to reboot the device to complete the update.

Will all versions of openpilot work with my comma device?

The comma 3X can only run openpilot 0.9.4 and above. Running earlier versions requires making modifications to the software so that a newer AGNOS is installed.

Does openpilot work at all speeds?

Supported speeds vary depending on the car. Please reference the supported car list for vehicle specific speed limitations. Maximum speed is the same as the maximum speed that stock ACC can be set to (car dependent) with a hard limit at ~92mph.

Does openpilot work outside of the United States of America?

Yes, openpilot is not region locked and can be used in any country. You are responsible for complying with local laws and regulations.

What is a fingerprint?

A fingerprint is the method openpilot uses to determine which vehicle it is connected to. Current methods use vehicle ECU firmware logging.

Where is my dongle ID?

The dongle ID of your device can be found in Settings of the device in the Device tab.

How do I leave feedback for openpilot?

Feedback, good or bad, can be given in the #openpilot-experience channel on our community Discord.

How do I claim the free prime offer?

Sign up for prime in comma connect. With a purchase of a comma four, you get a free month of comma prime, in which you can cancel at any time.

connect is a dashboard of your recent drives. Your drives are accessible for 3 days (or 1 year with a comma prime subscription). connect provides other features such as battery voltage and remote snapshots.

What is the difference between prime and prime lite?

With prime ($24/mo), domestic data is included. With prime lite ($10/mo), no SIM card or cellular service is provided.

How do I transfer a prime subscription to a new device?

We aren't able to transfer comma prime subscriptions between devices. To do so, you must cancel your existing prime subscription through connect.comma.ai and sign up with the new device.

How do I cancel comma prime?

You may cancel your subscription by selecting the "Cancel subscription" option on connect.comma.ai in the settings cog -> "Prime Settings".

I installed my own SIM card, but it's not working.

We do not offer support for setting up third party cellular service.

How do I switch between prime and prime lite?

Currently, this requires cancelling your current subscription and resubscribing at the new tier.

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.

Does installing a comma device require permanent modifications to the car?

Installing a comma device does not require any permanent modifications to your car.

How do I mount my comma device?

We recommend the mount be centered on the windshield below the trim.

Will installing a comma device void my warranty?

Simply using an aftermarket or recycled part does not void your warranty.

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.

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.

When does the 30-day money-back trial start?

The 30-day money-back trial starts the day your comma four is delivered.

How do I return my comma four?

To return your device, please request a return at comma.ai/returns.

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.

How do I make a return?

If you're within 30 days of your order delivery, you can request a return at comma.ai/returns.

Can I exchange my order?

We are unable to offer exchanges of any kind at this time.

How do international returns work?

The buyer is responsible for all shipping costs, duties, and customs fees to return a device for both 30-day returns and warranty returns.

When will I receive my order?

Orders placed after 7:00 AM PT will be shipped the next business day.

How can I cancel my order?

To cancel your order: open your order confirmation email and click "View Your Order"; you will see the option to cancel on your order page.

Where does my order ship from?

All orders ship from our warehouse in San Diego, California.

We ship to the entire US and most countries.

What do I do if my device arrives damaged?

Please alert us to any issues with your order within 3 days of delivery by opening a support ticket.

My order has no recent tracking activity and is past the delivery date. What should I do?

Please call UPS at 1-800-742-5877 or use their online contact form to report the issue.

My order tracking shows delivered, but the package has not shown up yet?

If your order is via USPS, please note that we will respond to your support ticket 3-4 days after to see if the order has finally shown up.

Do you offer a warranty?

We offer a 1-year limited warranty against hardware defects.

What is the return policy?

You can request a return within 30 days of the delivery date at comma.ai/returns.

How long does it take to receive my refund?

Refunds can take 2-5 business days to process once we have received your return.

Why is a stock route required to open a hardware support ticket?

It is our policy for a comma engineer to root cause every hardware issue.

How do you replace the SIM card in a comma 3X?

All comma 3Xs come with a SIM card. The SIM slot is a push/pull mechanism.

My comma four is having issues. What should I do?

We recommend first trying to reflash your device at flash.comma.ai.

How can I invest in comma?

comma is a private company and we are not seeking outside investment at this time.

Last updated: March 20, 2026

Commaai

Name: Commaai
Rating: 4 (0 reviews)
Author: TopAITools

Get deal

4.00 Comments0 Saved

Introduction:

openpilot is an open-source advanced driver assistance system for various car models.

Launch Date:

December 15, 2017

Social links:

Monthly Visits:

Inputs:

Outputs:

Supported Languages:

AI Models:

openpilot

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Commaai Overview

What is Commaai?

Commaai is an open-source advanced driver assistance system (ADAS) known as openpilot. It is designed to enhance the driving experience by providing features such as Automated Lane Centering, Adaptive Cruise Control, and Lane Change Assist. Compatible with over 325 car models, including those from Toyota, Hyundai, and Honda, openpilot can significantly reduce driver workload during long journeys. By utilizing a state-of-the-art neural network trained on millions of miles of driving data, openpilot excels in adapting to various driving conditions, making it a reliable choice for drivers seeking a more automated driving experience.

How to use Commaai?

Install the openpilot software on a compatible vehicle by following the setup guide available on the Commaai website.
Connect the comma four device to your car's CAN network, ensuring that it is properly configured to communicate with your vehicle's electronic systems.
Activate openpilot while driving, allowing it to manage functions like lane centering and adaptive cruise control, while the driver remains attentive and ready to take over if necessary.

What are the main features of Commaai?

Automated Lane Centering: Keeps the vehicle centered in its lane for safer driving.
Adaptive Cruise Control: Automatically adjusts the vehicle's speed to maintain a safe distance from other cars.
Lane Change Assist: Provides assistance during lane changes, enhancing safety.
Driver Monitoring: Ensures that the driver remains attentive while using openpilot, with no wheel nags required.
Open Source Development: Encourages community contributions and improvements via GitHub.

Who is Commaai for?

Commaai is ideal for tech-savvy drivers who seek to enhance their driving experience through advanced automation. It caters to individuals who own compatible vehicles and are looking for a reliable driver assistance system that reduces fatigue on long trips. Additionally, it appeals to developers and enthusiasts interested in contributing to open-source projects, as openpilot is actively developed and improved by its community.

What are the use cases of Commaai?

Long-Distance Driving: Reduces driver fatigue during extended road trips by managing speed and lane positioning.
Urban Commuting: Enhances safety and convenience in busy traffic conditions through automated driving features.
Testing and Development: Provides a platform for developers to test new algorithms and contribute to the open-source community.

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Commaai Pros and Cons

Pros

Advanced Driver Assistance Features: openpilot offers advanced features like Automated Lane Centering and Adaptive Cruise Control, enhancing driving comfort and safety.
Open Source Community Development: Being open source, openpilot allows users to contribute to its development, ensuring continuous improvement and innovation.
Compatibility with Multiple Car Models: openpilot is compatible with over 325 car models from various brands, making it accessible to a wide range of users.

Cons

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Commaai Pricing

comma four

USD 0.00/free

Love it or return it. Every comma four comes with a 30-day money back trial. 360° vision with 3 cameras, Qualcomm Snapdragon 845 MAX, LTE & WiFi, beautiful OLED display, CAN FD enabled, high-precision GPS.

For the latest pricing, please visit this link: https://comma.ai/shop

Prices are subject to change. Please visit the official website for the most up-to-date pricing information.

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Info current as of post date. Offers and availability may vary by location and are subject to change.

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Commaai Q&A

comma openpilot is an open source driver-assistance system. Currently, openpilot performs the functions of Adaptive Cruise Control (ACC) and Automated Lane Centering (ALC) 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. Check it out on GitHub.

openpilot works by connecting to your car's CAN network. Most modern cars accept electronic steering, gas, and brake commands to allow for driver assistance features. openpilot can use these commands to provide much better driver assistance features than the car manufacturers can provide.

A complete list of compatible vehicles can be found on our Compatibility page.

After verifying that your car is compatible, we recommend purchasing a comma device in our shop. Don't forget to purchase a car harness to connect it to your vehicle. Add to cart, check out, and you’re good to go!

Yes, the driver must always be able to immediately retake manual control of the vehicle, by stepping on the brake pedal or by pressing the cancel button. When openpilot is engaged, a driver monitoring system actively tracks driver awareness to help prevent distractions. The openpilot system disengages if you are distracted. Drivers must keep their eyes on the road at all times and be ready to take control of the car.

More info about the openpilot safety model can be found here.

openpilot Automated Lane Centering (ALC) system does not automatically drive the vehicle or reduce the amount of attention that must be paid to the area in front of the vehicle. The driver must always keep control of the steering wheel and be ready to correct the ALC system action at all times. Many factors can impact the performance of openpilot ALC, causing it to be unable to function as intended.

openpilot Adaptive Cruise Control (ACC) is not a system that allows careless or inattentive driving. It is still necessary for the driver to pay close attention to the vehicle’s surroundings and to be ready to re-take control of the gas and the brake at all times.

For more FAQs, please visit this link: https://comma.ai/support