Install guide
Stock openpilot

Install stock openpilot

Check your car first, install the hardware, then use the current release installer while parked.

Check my car Official setup guide

comma four or comma 3X

Release installer

Enter this on the comma device's Custom Software screen—not in a desktop or phone browser.

Stock openpilot release installeropenpilot.comma.aiCopy the entire value exactly as shown.

Parked setup

Four simple steps

  1. 1

    Check your exact car

    Match the year, trim, driver-assistance package, and required harness before installing anything.

  2. 2

    Install the hardware

    Keep the car parked and follow comma's official setup guide for the mount, harness, and device connections.

  3. 3

    Enter the release installer

    On the comma software setup screen, choose Custom Software and enter the release value shown above.

  4. 4

    Finish setup before driving

    Let installation complete, follow every on-screen prompt, and finish the required calibration flow.

Before driving

  • The device identifies the expected car and software.
  • The mount is secure, centered, and does not block either camera.
  • You understand that openpilot is driver assistance and you must stay ready to take control.

Switching software?

Follow the current uninstall path first, then return to the normal setup screen.

Open uninstall guide
Official sources and advanced use

The openpilot project documents the release installer above and keeps separate staging and development tracks. Those faster-moving tracks are intentionally outside this simple owner guide.

Open the openpilot project Official supported cars

Official references checked August 24, 2026.