Status display
The current status of the Tire Pressure Monitor TPM can be displayed on the Control Display, e.g., whether or not the TPM is active.
1. "Vehicle Info"
2. "Vehicle status"
3. 
"Tire Pressure Monitor - TPM"
The status is displayed.
See also:
Storing a channel
1. "Radio"
2. "Satellite radio"
3. Select "All channels" or a desired category.
4. Select the desired channel.
5. Press the controller a ...
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*.
...
Maintenance
The battery is maintenance-free, i.e., the electrolyte
will last for the life of the battery.
Your service center will be glad to advise you on
questions regarding the battery. ...