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Locating defects and indicating faults > < Ignition key - replace battery

Polo Mk4

Alarm system
Alarm system
General description:
The anti-theft alarm system functions are integrated to the Central control unit for convenience system -J393-.
When the Central control unit for the convenience system -J393- is damaged or defective, replace it → General body repairs, exterior; Rep. gr.57.
It is crucial to know how the alarm systems operate and are handled → Vehicle's instruction manuals.
The anti-theft alarm system is equipped with self-diagnosis, which facilitates troubleshooting → Chapter.
   

Locating defects and indicating faults > < Ignition key - replace battery