See also:

Active seat ventilation
Switching on Press the button once for each ventilation level. The highest level is active when three LEDs are lit. Switching off Press the button longer. The LEDs go out. ...

Safety switch for the rear
Press the button on the driver's door if children are being transported in the rear. This locks various functions so that they cannot be operated from the rear: safety switch. ...

Entering a town/city separately
The town/city can be said as a complete word. With the destination entry menu displayed: 1. Press the button on the steering wheel. 2. ›City‹ or ›Spell city‹ 3. Wait for the system to prompt ...