See also:

Deleting stored functions
Press and hold the left and right button on the interior rearview mirror simultaneously for approximately 20 seconds until the LED flashes rapidly. All stored functions are deleted. The functi ...

Tire inflation pressures at max. speeds above 100 mph/160 km/h
Speeds above 100 mph/160 km/h In order to drive at maximum speeds in excess of 100 mph/160 km/h, please observe, and, if necessary, adjust tire pressures for speeds exceeding 100 mph/160 km/h ...

Switching on/off
Press the button. ...