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 bonnetMechanical controls on the front seats
Fig. 37 Front left seat controls with
convenient entry function.
Fig. 38 Front right seat controls without
convenient entry function.
First read and observe the introductory information
and safety warnings
Front left seat controls with convenient entry function
The layout of the controls ...
Contact Release Tools
Various release tools are used to remove the different
terminals from terminal housings without damage.
A selection of release tools are a component of the Wiring
Harness Repair Set -VAS1978- and the Wiring Harness Repair Set
-VAS1978A-. ...
Switching the TCS on and off
Fig. 116 In the centre console: button
for switching the TCS on and off manually
First read and observe the introductory information
and safety warnings The electronic stability control (ESC) only
functions when the engine is running. It consists of ABS, EDL and TCS.
When the engine is r ...