General information
Switch position: 0, 
If the driver door is opened with the ignition switched off, the exterior lighting is automatically switched off at these switch settings:
See also:
Summer tires
Do not drive with a tire tread depth of less than
0.12 in/3 mm.
There is an increased danger of hydroplaning if
the tread depth is less than 0.12 in/3 mm. ...
Releasing the parking brake manually
In the event of an electrical power loss or electrical
malfunction, you can release the parking
brake manually.
Secure the vehicle against rolling
Before releasing the parking brake manually, ...
On the front passenger seat
Deactivating airbags
After installing a child restraint fixing system in
the front passenger seat, make sure that the
front, knee and side airbags on the front passenger
side are deactivated.
...