Switching off
The system can be deactivated as follows:
▷ 
Press the button.
▷ Switch off the ignition.
See also:
Shifting
Shifting into 5th or 6th gear
When shifting into 5th or 6th gear, push
the gearshift lever to the right; otherwise inadvertent
shifting into the 3rd or 4th gear could
lead to engine damage ...
Switching on/off manually
Press the button.
On: the LED lights up.
Off: the LED goes out.
...
Windshield washer nozzles
The washer jets are automatically heated whenever
the ignition is switched on.
...