Never carry out any work on the engine or in the engine compartment if you are not familiar with the requisite procedures and general safety requirements, or if you only have access to incorrect operating equipment, service fluids, and unsuitable tools . The work should be carried out by a qualified workshop if you are uncertain. Please ensure that the following are checked regularly, preferably every time you fill the tank:

Windscreen washer fluid level Windscreen wiper and washer Windscreen wipers Windscreen washer .

Engine oil level Engine oil Engine oil Engine compartment Engine oil_5 Oil see Engine oil_5 .

Engine coolant level Coolant Coolant Engine compartment Coolant_5 Engine coolant see Coolant_5 .

Brake fluid level Braking, stopping and parking Brakes Parking .

Tyre pressure Wheels and tyres Wheels and tyres Tyres see Wheels and tyres_0 .
Information on changing bulbs .
Checks when filling the tank
FuelControls for the heating and fresh air system
Fig. 127 In the centre console: rotary
controller of the heating and fresh air system with controls
First read and observe the introductory information
and safety warnings
Button, control
Additional information. Heating and fresh air system
...
Refrigerant Oil
Refrigerant oil mixes with the refrigerant (about 20 - 40%,
depending on compressor type and amount of refrigerant) and
circulates constantly in the system, lubricating the moving
parts.
Special synthetic refrigerant oils, for example,
...
Introduction
This chapter contains information on the following subjects:
→ Locking or unlocking the driver door manually
→ Locking the front passenger door and rear doors manually
→ Unlocking the tailgate manually
→ Unlocking the selector lever lock manually
If the vehic ...