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 ...

Switching the interior lamps on and off
Press the button. To switch off permanently: press the button for approx. 3 seconds. Switch back on: press button. ...

Adjusting the ventilation temperature
This function can be used to adjust the air temperature for the upper body region. 1. "Settings" 2. "Climate" 3. "Driver ventilation" or "Front passenger vent ...