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

See also:
External temperature
External temperature warning
If the display drops to +37 ℉/
+3 ℃, a signal sounds.
A Check Control message is displayed.
There is the increased danger of
ice.
Ice on roads
Even ...
Switching on/off manually
Press the button.
On: the LED lights up.
Off: the LED goes out.
...
Indication in the info display
The information from the onboard
computer is shown in the
info display in the instrument
cluster. ...
