See also:

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. ...

Correct driver's seat position
Observe the safety guidelines on seat adjustment •► Check whether you have adjusted seat = properly. Electrical seat adjustment (Y page 100) When adjusting the seat, make sure:   ...

Opening and closing the side windows
1 Front left 2 Front right 3 Rear right 4 Rear left The switches for all side windows are located on the driver's door. There is also a switch on each door for the corresponding side windo ...