External devices
At a glance

See also:
Servotronic
The conceptThe Servotronic varies the steering force required to turn the wheels relative
to the vehicle speed.
At low speeds, the steering force is strongly assisted, i.e. less force is needed
f ...
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 ...
Reserve
After the reserve range is reached:
▷ A message is briefly displayed on the Control
Display.
▷ The remaining range is shown on the computer.
▷ When a dynamic driving style is us ...
