Low beams
Switch position 
with
the ignition switched
on: the low beams light up.
See also:
Resuming the original route
If the route section should no longer be bypassed:
1. "Navigation"
2. "Route information"
3. "New route for:"
4. "Remove blocking" ...
Low beams
Switch position with the
ignition switched
on: the low beams light up. ...
Switching on/off manually
Press the button.
On: the LED lights up.
Off: the LED goes out.
The PDC is shown on the Control Display.
Switch on the backup camera via the iDrive. ...