Switching on
The rear screen demisting/defrosting can only operate when the engine is running.
Press this button to demist/defrost the rear screen and (depending on version) the door mirrors. The indicator lamp associated with the button comes on.
See also:
Operation
Anti-lock braking system (ABS) and electronic brake force distribution (EBFD)
When this warning lamp
comes on, accompanied by an audible signal and a message, it indicates that there
is a fault w ...
Trip distance recorder
System which measures a distance travelled during a day or other period since
it was reset to zero by the driver.
With the ignition on, press the button until zeros appear. ...
Secondary control
For mechanically locking and unlocking the doors in the event of a fault with
the central locking system or a battery failure. ...