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

See also:
Programming
Programming
1. Memory buttons
2. LED
Fixed-code hand-held transmitters
1. Switch on the ignition, refer to page 61.
2. Initial setup:
Press both outer memory buttons 1 for approx.
20 seconds ...
Display in the instrument cluster
The selected speed is displayed
in the speedometer.
▷ Green: the system is actively
braking the vehicle.
▷ Orange: the system is on
standby. ...
Malfunction
HDC is temporarily unavailable in the following
situations due to a high brake temperature:
▷ The LED in the button and the display HDC
go out during HDC operation.
▷ The LED in the ...
