This chapter contains information on the following subjects:
→ Warning and indicator lamps
→ Engine oil specification
→ Checking the engine oil level and refilling engine oil
→ Engine oil consumption
→ Changing engine oil
Additional information and warnings:

WARNING
Leaking or spilt engine oil can pollute the environment. Spilt operating fluids must be collected and disposed of properly and with respect for the environment.
Engine oil
Warning and indicator lampsPressure Relief Valve
Caution
Non-approved tools or materials such as leak sealing
additives can cause damage or malfunctions in the
system.
Only use tools and materials approved by the
manufactu ...
Indicator lamp in the vehicle key
Fig. 20 Indicator lamp in the vehicle
key
First read and observe the introductory information
and safety warnings
If a button on the vehicle key is pressed briefly, the indicator lamp (arrow)
flashes once. The lamp will flash several times if the button is pressed and held,
e.g. convenien ...
Cigarette Lighter Socket, Removing and Installing
Special tools and workshop equipment
required
Cigarette Lighter Release Tool -T40148-
Note
The removal and installation for all sockets is performed in
the same way and is only described for the ciga ...