Toggle with Main Cruise in sunnypilot
Lets the car’s main cruise button control steering-assistance availability. On cars without a separate lane-assist button, turning this off can prevent steering assistance from engaging.
Try Toggle with Main Cruise in the settings explorer →
Where to find it
- comma four · Sunnylink: Sunnylink → Steering → MADS Settings → Toggle with Main Cruise. Requires the device is out of driving mode. Unavailable on Rivian. Tesla requires access to the car’s communication system. Open this submenu when Separate steering and speed assistance is on. Located inside the steering-assistance settings.
- comma 3X · Sunnylink: Sunnylink → Steering → MADS Settings → Toggle with Main Cruise. Requires the device is out of driving mode. Unavailable on Rivian. Tesla requires access to the car’s communication system. Open this submenu when Separate steering and speed assistance is on. Located inside the steering-assistance settings.
Sources for this explanation
Checked 2026-09-30 against the release source. This guide illustrates controls; it is not a test on your car.