Volkswagen Golf Service & Repair Manual: Auxiliary heater mode

Volkswagen Golf Service & Repair Manual / Auxiliary heater / Aux. heater/heater booster / Regulation of auxiliary and supplementary heater / Auxiliary heater mode

Switching on auxiliary heater mode in vehicles with manual air conditioning:

–	Press instant heating button-1-.

Auxiliary heater mode

Switching on auxiliary heater mode in vehicles with Climatronic:

–	Press instant heating button-1-.

Note

Once the coolant temperature has reached approx. 82 °C, the control unit switches to energy-saving control mode. If the coolant temperature continues to rise above approx. 88 °C, the control unit switches to the controlled waiting period. If the coolant temperature does not drop below approx. 70 °C within 15 minutes during the controlled waiting period, the heater unit will initiate the start procedure into the standard control mode when the coolant temperature does drop below approx. 65 °C.

Auxiliary heater mode

Supplementary heating mode

Once the coolant temperature has reached approx. 84 °C, the control unit switches to energy-saving control mode. If the coolant temperature continues to ri ...

Switching off auxiliary and supplementary heater

If the button instant heat button has been pressed, or after the preset operating time has expired or the coolant has reached a temperature of 88° C, the combus ...

Other materials:

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If the refrigerant circuit was completely empty
Remove defective part. – Remove air conditioner compressor. – Remove oil drain screw from air conditioner compressor. Note To speed up the draining of the refri ...