Volkswagen Polo Service & Repair Manual: Electrical Components Not on Refrigerant Circuit

A/C Compressor Regulator Valve -N280

  Note For switching pressures, removing and installing switches and switch arrangement and version, see vehicle-specific refrigerant circuit. ...

A/C Programmer -J127

This programmer switches the refrigerant flow direction through the second evaporator if the temperature on the cooling fins on the second evaporator lowers to the fr ...

Other materials:

Battery with Visual Indicator, Checking
  WARNING Risk of injury. Follow all Warnings and Safety Precautions. Refer to → Chapter „Warnings and Safety Precautions“. Perform Battery Checks in the Follo ...

Fender Corrosion Repair Measures, in Wheel Housing Liner Contact Area
  Note The corrosion protection in the fender seam must be applied on all replacement parts, on which the attached seal is not already present. The additional corrosion protection seal will prevent “chafe marks” in the fender wheel housing liner. ...

Information on the air conditioning system
First read and observe the introductory information and safety warnings The cooling system for the vehicle interior only works when the engine is running and the blower is switched on. The air conditioning system operates most effectively with the windows and the electric panorama sliding ...