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
Have the batteries changed at a qualified specialist workshop. WARNING Batteries contain toxic substances. Swallowing batteries can lead to serious health issues or death. Keep batteries o ...

Restarting the tire pressure loss warning system
Restart the tire pressure loss warning system if you have: • changed the tire pressure • changed the wheels or tires • mount new wheels or tires   Before restarting, consult the Tire and ...