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

See also:
Notes on EmergencyRequests
Do not use the voice activation system to initiate
an Emergency Request. In stressful situations,
the voice and vocal pitch can change. This can
unnecessarily delay the establishment of a telephone ...
Deactivating/activating DTC Dynamic Traction Control
Activating the Dynamic Traction Control DTC
provides maximum traction on loose ground.
Driving stability is limited during acceleration
and when driving in bends.
Activating DTC
Activating DT ...
Socket for OBD Onboard
Diagnosis
There is an OBD socket on the driver's side for
checking the primary components in the vehicle
emissions.
Emissions
The warning lamp lights up:
Emissions are deteriorating. Have
the vehic ...
