The following actions must always be carried out in the given order in preparation for changing the wheel :

In the event of a flat tyre, park your vehicle on a firm and level surface at a safe distance from the flow of traffic.

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

Automatic gearbox: move the selector lever to position 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_0 .

Manual gearbox: select a gear 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 .

Ensure that all vehicle occupants exit the vehicle and go straight to a safe place, e.g. behind the safety barrier.

Chock the wheel opposite the wheel being worked on with a stone or a similar object.

When towing a trailer, unhitch the trailer from the vehicle and park it properly.

Remove any items of luggage from the luggage compartment.

Remove the spare wheel or temporary spare wheel and vehicle toolkit from the luggage compartment.

Remove the hubcaps Hubcaps Hubcaps .

WARNING
Preparations for changing a wheel
Wheel boltsWheel, Balancing on Stationary Balancing Machine
Before beginning balancing, the following requirements must
be fulfilled.
The tire pressure must be OK.
The tire profile must not be worn on one side. The tire
profile must be at least 4 mm.
...
A/C Service Station, Connecting for Measuring and Testing
Caution
If it is suspected that chemicals were added to the
refrigerant circuit to seal leaks, do not connect the
A/C service station and do not extract the refrigerant.
...
Improvised Tools
Note
This list outlines the testers, tools and materials required
for expert refrigerant circuit repair work.
Caution
Non-approved tools or materials such as leak sealing
additiv ...