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

See also:
TeleService Battery Guard
TeleService Battery Guard continually checks
the battery charge level of the vehicle. If the battery
charge level falls below a certain value, a
notification is automatically sent to your service
...
Switching on
The cooler can be operated at two levels.
1. Switch on the ignition.
2. Press the button once for
each cooling
level.
The highest cooling power is active when
two LEDs are lit.
If the coole ...
Switching on/off and interrupting cruise control
Switching on
Press the button on the steering wheel.
The indicator lamps in the instrument cluster
light up and the mark in the speedometer is set
to the current speed.
Cruise control can ...
