See also:

Time
The time is displayed at the bottom of the instrument cluster. Setting the time and time format. ...

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. ...

After the ignition is switched off
The roof can still be operated for approx. 1 minute, as long as no door has been opened. ...