See also:

Activating/deactivating ATTENTION ASSIST
Press the or button on the steering wheel to select the DriveAssist menu. Press the or button to select Attention Asst.. Press . The current selection is displayed. To activate/ ...

Additives
Only use DEF in accordance with ISO 22241. Do not use additives with DEF and do not dilute DEF with water. This may destroy the BlueTEC exhaust gas aftertreatment system. ...

Opening
Switch off the engine. Remove the SmartKey from the ignition lock. KEYLESS-GO: open the driver’s door. This switches the ignition to position 0, which corresponds to having removed the Sma ...