The following steps should always be carried out in the specified order before working in the engine compartment :

Park the vehicle on a level and stable surface.

Depress and hold the brake pedal until the engine has stopped.

Apply the handbrake firmly Braking, stopping and parking Brakes Parking .

Select the neutral position or move the selector lever to P Changing gear Changing gear Automatic gearbox see Automatic gearbox_0 Automatic gearbox see Changing gear_0 Automatic gearbox Manual gearbox see Changing gear_0 Manual gearbox .

Stop the engine and remove the key from the ignition Starting and stopping the engine Engine and ignition Ignition see Engine and ignition_6 .

Allow the engine to cool sufficiently.

Children and other people should be kept well away from the engine compartment.

Ensure that the vehicle cannot roll away unexpectedly.

WARNING
Preparing the vehicle for working in the engine compartment
Opening and closing the bonnetWindshield and Rear Window Washer System
The following hose connection types are used for connecting
hoses to pumps and spray nozzles or as separating points
–
To loosen the connection, pulling both halves of the
coupling apart.
...
Overview of the driver door
Fig. 4 Overview of the controls in the
driver door (left-hand drive vehicles) The controls are mirrored in right-hand
drive vehicles
Key for :
Door release lever
Central locking button for locking and
unlocking the vehicle
Switch for adjusting the exterior mirrors:
...
Securing child seats with a seat belt
First read and observe the introductory information
and safety warnings
It is permissible to fasten child seats with universal written
on the orange label to the seats using the seat belt, but only on the seats marked
in the table with a u.
Weight class
Front passe ...