Smart Key battery

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. Driver's and front-passenger ...

Cleaning the seat belts
– Use clean, lukewarm water and soap solution. Do not clean the seat belts using chemical cleaning agents. Do not dry the seat belts by warming them above 176 °F (80 °C) or placing them ...

Cruise control lever
Cruise control lever 1 To store the current speed or a higher speed 2 To store the current speed or a lower speed 3 To deactivate DISTRONIC PLUS 4 To store the current speed or to call up the la ...