See also:

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. ...

The concept
The parking brake is primarily intended to prevent the vehicle from rolling while parked; it brakes the rear wheels. ...

Assist system information
Display on the Control Display Information on the Assist system can be displayed by activating Assist on the Control Display. 1. "Settings" 2. "Control display" 3. "Driv ...