See also:

Setting the center air vents
1 Center air vent, left 2 Center air vent, right 3 Center vent thumbwheel, right 4 Center vent thumbwheel, left - To open/close: turn thumbwheels 3 and 4 to the right or left. ...

High outside temperatures
If DEF heats up to over 122 °F (50 °C) for extended periods, e.g. as a result of direct sunlight on the DEF reservoir, DEF can decompose. Ammonia vapors develop as a result. WARNING When o ...

Activating/deactivating Blind Spot Assist
You can use the Blind Spot Asst. function to activate or deactivate Blind Spot Assist (Y page 198) or Active Blind Spot Assist. – Press or on the steering wheel to select the DriveAssist men ...