See also:

Controls
Almost all functions can be operated in the same manner as they are in the front. Special features of operating the system in the rear are described here. ...

Deleting all stored programs
Press both outer memory buttons 1 for approx. 20 seconds until the LED flashes rapidly. All stored programs are deleted. The programs cannot be deleted individually. ...

Issued warning
If you leave the lane and if a lane marking has been detected, the steering wheel begins vibrating. If the turn signal is set before changing the lane, a warning is not issued. End of warning T ...