See also:

Activation/deactivation
Press the button. ...

Malfunction
The warning lamp lights up yellow and a message is shown on the Control Display. The active steering is defective or has been temporarily deactivated. At low speeds, greater steering wheel ...

Switch off the engine during longer stops
Switch off the engine during longer stops, e.g., at traffic lights, railroad crossings or in traffic congestion. Fuel savings are achieved after the vehicle is switched off for only approx. 4 s ...