See also:

Displaying service messages
– Switch on the ignition. – Press or on the steering wheel to select the Serv. menu. – Press or to select the ASSYST PLUS submenu and press to confirm. The service due date appears in th ...

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 ...

Refrigerant of the air-conditioning system
The air-conditioning system is filled with R134a refrigerant and a special PAG lubricant. Never use refrigerant R 12 (CFC) or mineral lubricants. Otherwise, you could damage the air-condition ...