See also:

Switching on Night View Assist Plus
Depending on your vehicle's date of manufacture, the or symbol for the "Automatic driving lights/daytime running lamps" position is located on the light switch. You can only ac ...

Tire pressure monitor warning messages
If the tire pressure monitor detects a significant pressure loss on one or more tires, a warning message is shown in the multifunction display. A warning tone also sounds and the tire pressure ...

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 ...