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Economical operation of the air conditioning system (VW Golf 4)

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When the unit operates in the air cooling mode, its compressor is driven by the engine, and therefore the nature of the unit's use affects fuel consumption. In order to reduce the operating time of the air conditioning unit as much as possible, the following recommendations should be taken into account.

If the interior of a parked vehicle has become very hot due to solar radiation, it is recommended to open windows or doors for a short time to ventilate the interior.

If the windows or sunroof are open while driving, do not turn on the air conditioning system.

When the desired air temperature in the cabin can be achieved without turning on the air conditioning system, it is better to use the cabin ventilation system.

General instructions



At high temperatures and high humidity of the outside air, condensate may drip from the evaporator and form a puddle under the car. This is normal and does not indicate a leak in the system.

All controls, except for the B knob and the D and E keys, can be set to any intermediate position.

To avoid fogging of the windows, at low vehicle speeds, turn the fan mode to the lowest setting with knob B and set knob C to position .

If the air conditioning system has not been switched on for a long time, an unpleasant smell may appear when it is switched on due to the accumulation of various types of deposits on the evaporator. To avoid the unpleasant smell, the air conditioning system should be switched on – also in the cold season – at least once a month at the highest fan setting. At the same time, open one of the windows for a short time.



The heating capacity of the heating system depends on the temperature of the coolant in the engine cooling system, so the greatest heating occurs when the engine is warmed up to operating temperature.

To ensure that the heating, ventilation and air conditioning system operate reliably, the fresh air intake opening located in front of the windshield must be kept free of ice, snow and leaves.

Used air is removed through outlets under the rear window. When placing items of clothing on the luggage compartment shelf, make sure that these openings are not blocked.

This article is available at russian, bulgarian, belarusian, ukrainian, serbian, croatian, romanian, polish, slovak, hungarian
The text has been checked: Kolesnikov Artem

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Previous articles
Interior ventilation
How to set the maximum air cooling mode
How to set the normal air cooling mode
Air conditioning system air supply nozzles
Air conditioning controls
Ventilation (supply of fresh air to the cabin)
Next articles
Malfunctions of the air conditioning system
Climate control system «Climatronic»
Using the «Climatronic» installation
Using «Climatronic» in automatic mode (AUTO)
Deviation from the standard automatic mode of the «Climatronic» installation
Air supply nozzles for the «Climatronic» unit


Similar articles from other manuals for VW cars:
Economical operation of the car (recommendations) Passat B3 (1988-1993)
Heating and air conditioning system Polo 3 (1995-2003)
Electrical diagram of the Climatronic air conditioning system Touareg 1 (2002-2006)
Heater and air conditioning system Climatic Tiguan 1 (2007-2015)
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