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

Wiring

...

Vehicle Diagnostic Tester, Connecting

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

Other materials:

A/C Refrigerant High Pressure Switch -F23
  Note For switching pressures, removing and installing switches and switch arrangement and version, see vehicle-specific refrigerant circuit. Refer to → Rep. Gr.87.     ...

Tires, Dismounting, Wheels without and with Tire Pressure Monitoring System
If equipped check the tire pressure monitoring sensor with the vehicle diagnostic tester and if necessary replace.   Note When cleaning disc wheel (rim), the tire pressure monitoring sensor (if equipped) must not come into c ...

Engine Cooling
Because towing places higher demands on the engine cooling system, the cooling system is enhanced in vehicles that have factory-installed trailer hitches, if necessary. This is done by installing a stronger or a second coolant fan and/or a larger radiato ...