First read and observe the introductory information
and safety warnings
The immobilizer helps to prevent the engine from being started and driven with an unauthorised vehicle key.
There is a chip in the key. It automatically deactivates the immobilizer when the vehicle key is inserted into the ignition lock.
The electronic immobilizer is automatically activated when the vehicle key is removed from the ignition lock.
The engine can only be started using a genuine Volkswagen vehicle key with the correct code. Coded vehicle keys are available from a Volkswagen dealership .
If a non-authorised vehicle key has been used, the display in the instrument cluster will show Immobilizer active!. The vehicle cannot be used if this occurs.
The vehicle cannot be operated properly if you do not have a genuine Volkswagen key.
Stopping the engine
Changing gearRefrigerant Circuit, Tracing Leaks, with Electronic Leak Detector -VAG1796
Note
This repair manual describes different methods for detecting
leaks in the refrigerant circuit. These methods have been tested
and result in success when used correctly.
If when searching for compressed air / Nit ...
Refrigerant R134a Physical Data
Vehicle air conditioning systems make use of the
vaporization and condensation process. In this case, one works
with a substance which boils easily, designated as refrigerant.
The refrigerant employed is tetrafluoroethane R134a, which
bo ...
6-Pin Universal Oxygen Sensor, Removing and Installing
Note
Use the faulty sensor as a guide for installing all of the
accompanying attachments, cable ties or marking bands.
Do not crimp or cut the wires otherwise the functionality of
the heated oxygen sensor (HO2S) will ...