Troubleshooting
The cooling mode 
cannot be switched on or the function is limited
The cooling mode only works when the engine is running and at ambient temperatures above +3 °C (+38 °F).
If the engine gets very hot, cooling mode will be switched off.
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Switch on the fan.
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Check the safeguard on the air conditioning system .
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Change active combination filters .
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If the malfunction persists, contact a suitably qualified professional. Volkswagen recommends contacting an authorized Volkswagen dealer or authorized Volkswagen Service Facility.
NOTICE
If the air conditioner is not working, switch it off immediately to prevent subsequent damage. Have the air conditioner checked by suitably qualified professionals. Volkswagen recommends contacting an authorized Volkswagen dealer or authorized Volkswagen Service Facility.
The heat cannot be switched on or the function is limited
The heating and defrost function operates better when the engine is warm.
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If the malfunction persists, contact a suitably qualified professional. Volkswagen recommends contacting an authorized Volkswagen dealer or authorized Volkswagen Service Facility.
The windows are fogged up
The windows fog up when they are colder than the ambient temperature and the air is very humid. Cold air does not absorb as much moisture as warm air which is why windows fog up more frequently during cold seasons.
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Keep the air intake in front of the windshield free of ice, snow, and leaves to improve the heat and cooling output .
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Leave the air duct in the rear section of the luggage compartment uncovered so that air can flow through the vehicle from front to back.
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Switch on the defrost function .
The temperature unit has changed
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Changing the temperature units for all temperature displays in the vehicle using the Infotainment system .
Water or water vapor under the vehicle
In the case of high outside humidity and temperatures, condensation can drip from the air conditioning system evaporator and pool under the vehicle. This is normal and does not mean there is a leak in the system.
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