See also:

Opening and closing the service flap
You must open the service flap in the cargo compartment before you can change the bulbs in the tail lamps. Left-hand service flap Right-hand service flap - To open: release service flap 1 a ...

Decoupling a trailer
WARNING Do not disconnect a trailer with an engaged overrun brake. Otherwise, your hand could become trapped between the bumper and trailer drawbar. Do not disconnect a trailer with an eng ...

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 ...