See also:

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

Navigation system
General informationThe navigation system can determine the precise position of the vehicle, with the aid of satellites and vehicle sensors, and can reliably guide you to every entered destination. ...

Display the calendar
Appointments during the last 20 and the next 50 days can be displayed. 1. "Office" 2. "Calendar" The appointments on the current day are displayed. ...