All sunnypilot settings

Experimental acceleration and braking control in sunnypilot

See what it does and where to find it on your comma or phone.

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Advanced

Experimental acceleration and braking control

Switches eligible cars to experimental sunnypilot acceleration and braking control. The source warns this can disable Automatic Emergency Braking.

Car-specific. The real confirmation warns that Automatic Emergency Braking may be disabled.

Find itSettings → developer → alpha longitudinal
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developer
7 / 8

Swipe the cards or use Next to explore. Illustrated from the release code; your car and software determine which controls appear.

Sources and availability

Technical tools, explained without turning them on.

Checked 2026-09-30. Example switches do not show your device’s current settings.

Source for this control ↗

What Experimental acceleration and braking control does

Switches eligible cars to experimental sunnypilot acceleration and braking control. The source warns this can disable Automatic Emergency Braking.

Where to find it

  • comma four · On the device: Settings → developer → alpha longitudinal. Car-specific. The real confirmation warns that Automatic Emergency Braking may be disabled.
  • comma 3X · On the device: Settings → Developer → sunnypilot Longitudinal Control (Alpha). Car-specific. The real confirmation warns that Automatic Emergency Braking may be disabled.
  • comma four · Sunnylink: Sunnylink → Developer → sunnypilot Longitudinal Control (Alpha). Shown when experimental speed control (Alpha) is available and supported cruise-button control (ICBM) is inactive. Requires driving assistance is disengaged. Changing the real setting can require a driving-state restart.
  • comma 3X · Sunnylink: Sunnylink → Developer → sunnypilot Longitudinal Control (Alpha). Shown when experimental speed control (Alpha) is available and supported cruise-button control (ICBM) is inactive. Requires driving assistance is disengaged. Changing the real setting can require a driving-state restart.
Sources for this explanation

Checked 2026-09-30 against the release source. This guide illustrates controls; it is not a test on your car.

Browse all 164 setting explanations

Includes device menus and Sunnylink settings. Availability depends on your device, car and software.

About this guide

Reviewed device and phone settings for sunnypilot, checked 2026-09-30. Each control links to its exact source version.

The previews use example values and never connect to your device. They cover the reviewed device panels and phone settings schema. Account setup, model downloads and map management are explained separately; some deeper on-device menus are not reproduced.

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