Volkswagen Polo Service & Repair Manual: Vehicle Diagnosis, Testing and Information Systems

Wiring

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Vehicle Diagnostic Tester, Connecting

Special tools and workshop equipment required Vehicle Diagnostic Tester Vehicle Diagnosis System - Diagnostic Cabl ...

Other materials:

4-Pin Heated Oxygen Sensor (HO2S), Removing and Installing
  Note Do not repair the heated oxygen sensor wires. Repairing may result in malfunctions. Use the faulty sensor as a guide for installing all of the accompanying attachments, cable ties or marking bands. ...

Vehicle Registration Documents Since 01/10/2005
The implementation of EU guideline 1999/37/EG "Vehicle registration documents" in national legislation and legal data protection requirements have made the introduction of new, fraud resistant registration documents necessary. ...

Repairs and technical modifications
First read and observe the introductory information and safety warningsRepairs and modifications must always be carried out according to Volkswagen specifications . Unauthorised modifications to the electronic components or software in the vehicle may cause faults. As the electronic componen ...