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 you take the vehicle key out of 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 SAFE or 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.
Switching off the engine
Engine pre-heatingVolkswagen Touran Service Manual. Primary Lock
The primary lock is the locking mechanism of an individual
crimp contact in the contact housing.
If necessary, housing securing mechanisms (secondary locks)
must be released or removed using specified tool before
releasing the contacts. ...
Volkswagen Touran Service Manual. Refrigerant Circuit Pipes and Hoses
Caution
Non-approved tools or materials such as leak sealing
additives can cause damage or malfunctions in the
system.
Only use tools and materials approved by the
manufactu ...