See also:

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 ...

Setting the temperature
Different temperatures can be set for the driver's and front-passenger sides. Turn the SmartKey to position 2 in the ignition lock. To increase/reduce: turn controls 1 and 8 clockwise or cou ...

Automatic headlamp mode
- To switch on automatic headlamp mode: turn the light switch to or . SmartKey in position 1 in the ignition lock: the parking lamps are switched on or off automatically depending on the brig ...