See also:

Switching on/off
The three red indicator lamps in the button indicate the heating level you have selected. If the battery voltage is too low, the seat heating may switch off. One or more of the indicator lamp ...

Range of the sensors
General notes The sensors must be free of dirt, ice and slush; otherwise they may not function correctly. Clean the sensors regularly, taking care not to scratch or damage them. Side view To ...

Distance warning function (vehicleswith DISTRONIC)
This function provides a warning from a speed of approximately 20 mph(30 km/h), if: • for a period of several seconds, the distance to the vehicle in front is too short for the speed at which you ...