See also:

General notes
You will find information on the following topics in the Audio section: • notes on CDs/DVDs • notes on MP3 mode • notes on copyright ...

Additives
Do not use any additives in the engine oil. This could damage the engine. ...

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 ...