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
FuelGeneral Information
WARNING
Risk of injury.
Read and follow the Safety Precautions when working
with batteries. Refer to
→ Chapter „Warnings and Safety Precautions“.
...
Starting the engine
First read and observe the introductory information
and safety warnings
The steps should only be carried out in the specified order.
Step
Vehicles with a manual gearbox
Vehicles with an automatic gearbox
1.
...
Technical Requirements
Factory-Installed Trailer Hitch
If the vehicle was already delivered from the factory with a
trailer hitch, all of the technical and legal requirements for
towing a trailer have already been taken into account.
Note that a »13-pin« trailer ...