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 boltsTest after driving for 10 minutes
First read and observe the introductory
information and safety warnings
Reconnect the tyre filler hose and check the tyre pressure on the tyre
pressure display ⑥.
1.3 bar (19 psi / 130 kPA) and lower:
Do not drive on! The tyre cannot be sealed adequately
with the breakdown set.
...
Introduction
This chapter contains information on the following subjects:
→ Warning and indicator lamps
→ Information on steering
Additional information and warnings:
Starting and stopping the engine
Battery
Tow-starting and towing
WARNING
The steeri ...
Refrigerant R134a Vapor Pressure Table
The vapor pressure table for every refrigerant is published
in literature for refrigeration system engineers. This table
makes it possible to determine the vapor pressure acting on the
column of liquid in a vessel if the temperature of the vessel is
know ...