The concept

The following can be operated using the buttons and the thumbwheel on the steering wheel:
- Current audio source.
- Redial on telephone*.
- Activation of the voice activation system*.
See also:
Switching on/off
Press the button.
On: the LED lights up.
Off: the LED goes out.
The system can issue warnings at speeds above
approx. 40 mph/65 km/h.
The state is stored for the remote control currentl ...
Message when the system was not
reset
A Check Control message is displayed.
The system detected a wheel change but was
not reset.
Warnings regarding the current tire inflation
pressure are not reliable.
Check the tire inflation pre ...
Malfunction
In the event of a failure or malfunction of the
parking brake, secure the vehicle against rolling
using a wheel chock, for example, when leaving
it. ...
