New to comma? Start here.

comma is the small device that mounts to your windshield. openpilot is the software that runs on it. comma makes both, and openpilot is open source, so community versions exist too.

On a supported car, openpilot steers, keeps your distance from the car ahead, and holds your speed while you watch the road.

No. Treat it as driver assistance. Stay attentive, watch the road, and be ready to steer or brake immediately. Conditions, car support, and software behavior can all change what the system can handle.

Search your make, model, and year in our car finder. Choose the matching package to see who controls steering, gas, and brakes, plus the parts you need. Similar-looking cars can use different electronics, so confirm the exact year, trim, region, and factory driver-assistance package before buying.

Many newer Toyotas still aren’t supported by comma, including the 2025-and-newer Camry. TSS 3.0 is Toyota’s built-in driving assistance; having it does not mean the car works with comma.

The main hurdle is a security check inside the car. It can reject steering commands from an added device. Some newer cars protect this check more strongly, so a workaround for an older Toyota may not work on yours.

The community is making progress. Recent projects report limited success on specific cars, including a 2026 Camry. These are experiments, not a ready-to-install option for everyone. Some attempts can damage the car’s steering electronics.

comma has been improving how openpilot drives while the community adds cars. We haven’t found a confirmed date for general TSS 3.0 support. Check your exact model, year and country before buying: neither “new Toyota” nor the TSS version alone tells you whether it works.

Checked September 16, 2026

If your exact car is missing from both our finder and comma’s official list, treat it as unsupported for a normal setup. Don’t buy a comma device assuming it will work.

First check the spelling, model year, country and required package. A car that looks the same, or is just one year newer, can have different electronics.

Some community versions of openpilot support extra cars or years. That is a separate option with its own requirements. Only rely on it when that project clearly lists your exact car and comma device, explains what works, and provides current setup instructions. A test video or a request to add a car is not confirmed support.

If only our finder is missing your car, check comma’s current list—we may not have added the latest update yet.

Checked September 16, 2026

Start by checking the exact regional car, trim, and equipment. Vehicle electronics, connectivity, shipping, and local driving rules can differ by country, so confirm each part before buying or installing.

Use the harness and setup instructions for your exact car. Do the physical installation while parked, then follow the device prompts and complete your first drive only when the car and surroundings are ready.

The software could not confidently identify the car configuration it is connected to. Do not choose a similar vehicle manually. Recheck the exact compatibility requirements and use the troubleshooting path for next steps.

It does not need continuous Wi-Fi for each drive. Stock openpilot needs internet at times for setup, updates, and remote services. After repeated failed update checks, its current updater can stop automatic startup. This starts after more than 27 driving hours and 84 routes. Some forks change or remove this rule.

Start with the setup and fixes page. Pick the symptom you see, keep the car parked while changing software or hardware, and use the instructions for the exact device and car.

A fork is a community version of openpilot. It starts from comma’s code and adds its own settings, car support, or style. You install it on the same device, and you can switch back later.

There is no single best fork for everyone. The major forks share openpilot's core driver-assistance purpose. Each has its own community, often on Discord. Their differences include car-specific support, how steering or gas and brake control works, and extra settings their users value. Stock openpilot is the simplest official path. Use the comparison to see the reviewed differences in plain English.

Start with your exact year, trim, region, and driver-assistance package. The comparison explains who can control steering, gas, and brakes for that car. It also shows reviewed fork support and car-specific features. If a match is not verified, the page says so. This is safer than choosing a fork only because it has the longest feature list.

You can consider one when its current release documents your exact car and device. A fork also means relying on that project’s maintainer, update process, and support community. If any part of the match is unclear, keep it as unknown rather than assuming it works.