See also:

Windshield washer nozzles
The washer jets are automatically heated whenever the ignition is switched on. ...

Switching off automatically
The system switches off and the LED goes out: After approx. 160 ft/50 m when driving forward. Above approx. 22 mph/36 km/h when driving forward. Switch on the system again if necessary. ...

Steering wheel heating
Switching on/off Switching on/off Press the button. ▷ On: the LED lights up. ▷ Off: the LED goes out. ...