See also:

Before changing a fuse
  Park the vehicle and apply the parking brake.   Switch off all electrical consumers.   Remove the SmartKey from the ignition lock. The fuses are located in various fuse boxes: ...

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 ...

Coolant
Important safety notes The coolant is a mixture of water and antifreeze/corrosion inhibitor. It performs the following tasks: corrosion protection antifreeze protection raising the boiling ...