The concept
The parking brake is primarily intended to prevent the vehicle from rolling while parked; it brakes the rear wheels.

See also:
Switching the microphone to mute
When a call is active, the microphone can be
muted.
1. "Telephone"
2. "Active calls"
3. "Microphone
mute"
A microphone that has been switched to mute
is automa ...
Enabling
Enabling operation in the rear
Only possible via the iDrive in the front.
1. "Settings"
2. "Allow rear control"
3. Select the desired priority.
Priority options
The driver ...
Service and Warranty Information Booklet for US models and
Warranty and Service Guide Booklet for Canadian models
Please consult your Service and Warranty Information
Booklet for US models and Warranty and
Service Guide Booklet for Canadian models for
additional information on service requirements.
Mainten ...
