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 button and the HDC display
do not light up when the button is pressed.
See also:
When the vehicle is parked
If you still want to view the time, external temperature
and odometer reading briefly after the
remote control has been taken out of the ignition
lock:
Press button 1 in the instrument cluster. ...
Preparation
1. Check whether the battery of the other vehicle
has a voltage of 12 volts and approximately
the same capacitance in Ah. This information
can be found on the battery.
2. Switch off the engine ...
Deactivating HDC
Press the button again and the
LED goes
out. HDC is automatically deactivated
above approx. 37 mph/60 km/h. ...