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 ...

Important safety notes
WARNING Severe conditions (e.g. strong air pollution) may require replacement of the filter before its scheduled replacement interval. A clogged filter will reduce the air volume to the interi ...

Correct driver's seat position
Observe the safety guidelines on seat adjustment (). Check whether you have adjusted seat 3 properly. Electrical seat adjustment () When adjusting the seat, make sure: you are as far away f ...