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 ...

Dialing a number from the phone book
If your mobile phone is able to receive calls, you can search for and dial a number from the phone book in the audio system or COMAND at any time. Press the or button on the steering whe ...

Correct use of the seat belts
WARNING USE SEAT BELTS PROPERLY Seat belts can only work when used properly. Never wear seat belts in any other way than as described in this section, as that could result in serious i ...