Operation CHARM: Car repair manuals for everyone.

Component Tests and General Diagnostics




Switch For Cruise Control
Valid for vehicles with Active Cruise Control (ACC)

Check the steering column lever
The following functions of the cruise control can be tested:






Test the axial button
The axial button calls up the last stored speed when the cruise control is active.
For the test, press the button.

Test knurled wheel
The knurled wheel can be used to change the distance steps (distance to vehicle moving in front).
- Knurled wheel upwards: Increase distance
- Knurled wheel downwards: Reduce distance
- For the test, turn the knurled wheel upwards and downwards.