See also:

Activating/deactivating
To activate: press the button. The indicator lamp in the button lights up. To switch off: press the button. The indicator lamp in the button goes out. The cooling with air dehumidificat ...

DEF
Important notes on use To function properly, BlueTEC exhaust gas aftertreatment must be operated with the reducing agent DEF. Adding DEF is one of the tasks performed during maintenance. Under no ...

Servicing the brakes
If the red brake warning lamp lights up in the instrument cluster and you hear a warning tone while the engine is running, the brake fluid level may be too low. Observe additional warning me ...