See also:

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

Useful information
This Operator's Manual describes all models and all standard and optional equipment of your vehicle available at the time of publication of the Operator's Manual. Country-specific differences ...

Centrally locking and unlocking the vehicle from the inside
You can centrally lock or unlock the vehicle from the inside. The central locking/unlocking button does not lock or unlock the fuel filler flap. You cannot unlock the vehicle centrally from the ...