Get Heating and air conditioning system -> Heating, ventilation, cooling Guide for Volkswagen E Golf 4 Door Second Generation (2017-2020)

Heating and air conditioning system

Heating, ventilation, cooling

Introduction to the topic

The following systems may be installed in the vehicle:

Climatronic is an automatic air conditioning system. It heats, cools and dehumidifies the air. The

air distribution and volume of air can be controlled automatically.

The air conditioning system operates most effectively with the windows and the glass roof

closed. Opening the windows and glass roof to provide fresh air may accelerate cooling down the

vehicle if high temperatures have built up in the vehicle interior.

Display of active functions

Lit up LEDs on rotary knobs and buttons indicate that the function is switched on.

Seat occupied recognition

The air conditioning is controlled in relation to the occupied seats in order to keep the energy

consumption of the air conditioning system as efficient as possible. Eco is shown on the

Infotainment system display and on the air conditioning block display when the seat-occupied

recognition system is activated.

The seat-occupied recognition system is reactivated again when the vehicle’s drive system is

activated and when the seat belt on the seat in question has been fastened and unfastened.

Never unfasten a seat belt while the vehicle is in motion →

.

Glove box with cooling function

When the air vent is open, fresh air flows into the glove box. If the air conditioning system is

cooling the vehicle interior, the cooled air can also be routed into the glove box.

WARNING

Poor visibility through the door windows, windscreen and rear window increases the risk of

collisions and accidents which can cause serious injuries.

●

Keep all door windows, the windscreen and the rear window free from ice, snow and

condensation to maintain perfect visibility.

●

Adjust the heating, air conditioning and rear window heating to prevent condensation from

forming on the windows.

●

Only set off once all windows are clear.

Use air recirculation mode for a short period only. Condensation could otherwise form very

quickly on the windows, greatly reducing visibility.

●

Switch off the air recirculation mode when it is no longer required.

WARNING

Stale air can quickly make the driver tired and negatively affect their concentration which may

cause collisions, accidents and serious injuries.

●

Never switch off the blower or switch on the air recirculation mode for an extended period

as this prevents fresh air from entering the vehicle interior.

WARNING

Unfastening seat belts while the vehicle is in motion can lead to severe or fatal injuries in the

event of an accident or sudden braking manoeuvre.

NOTICE

Food, medicine and other items that are sensitive to heat or cold could be either damaged or

rendered useless by the air flowing out of the vents.

●

Never leave food, medicines or other temperature-sensitive objects in front of the vents.

NOTICE

If the air conditioning system is not working, switch the air conditioning system off

immediately and have it checked by a qualified workshop. This can help to prevent secondary

damage.

Some settings can be stored in the user accounts of the personalisation function and

therefore change when the user account changes (→ Personalisation, Description).

Operating the air conditioning system

Fig. 1 In the upper part of the centre console: Climatronic air conditioning block.

Some functions and buttons may vary according to the vehicle equipment and the type of system

installed.

– Air conditioning settings in the Infotainment system

—Press the

button in the air conditioning block to open the Climatronic air conditioning

settings in the Infotainment system.

The upper area of the screen shows the current air conditioning settings.

The air conditioning system operating conditions are shown in colour in the Infotainment

system:

—Blue: cooling.

—Red: heating.

—Grey: the seat is not occupied (→ Heating, ventilation, cooling, Introduction/General

information).

Submenu for general settings

—Touch the

function button to set automatic control of air recirculation mode.

Submenu for air conditioning settings

—Touch the

function button to switch cooling mode, air distribution and blower on and off in

the Infotainment system.

Presettings submenu

—Touch the Presettings function button to adjust automatic mode, maximum cooling output,

the defrost function or manual operation of the cooling system in the Infotainment system.

Air conditioning profiles

—Touch the

function button to adjust the blower speed in automatic mode.

Switching off

—Press the

button in the air conditioning block.

—OR: turn the centre rotary knob anti-clockwise as far as it will go → Fig. 1 .

—OR: touch the

function button on the Infotainment system.

– Climatronic with allergen filter

The allergen filter in the Air Care Climatronic can reduce the amount of pollutants and also

allergens that enter the vehicle interior.

When Air Care is switched on, the air conditioning system's air recirculation mode is maximised

as far as is permitted by the risk of window fogging depending on the interior humidity and

outside temperature. The air recirculation mode is automatically regulated and features

continuous adjustment in order to prevent the vehicle occupants becoming tired.

—Press the

button in the air conditioning block.

—Touch the Air Care function button.

—Touch the Active function button to switch the Air Care function on or off.

– Applying temperature settings

—Press the

button to adopt the temperature settings of the driver side for the front

passenger side.

—OR: touch the

button in the air conditioning settings in the Infotainment system.

– Automatic mode

Automatic mode creates constant temperatures in the vehicle interior. It automatically controls

the air temperature, volume of air and air distribution. Automatic mode switches off if ventilation

is adjusted manually.

– Cooling mode

—Press the

button in the air conditioning block to switch cooling mode on or off.

The cooling mode dehumidifies the air.

– Maximum cooling output

—press the

button.

Air recirculation mode is switched on automatically and the air distribution is set to the

position.

|

– Temperature

—turn the outer rotary knobs to adjust the temperatures for the driver and front passenger

sides. → Fig. 1 .

The set temperatures are displayed above the rotary knobs for Climatronic.

—Maximum cooling output: Set the temperature to below +16°C (+61°F). The display then

shows LO.

—Maximum heating output: Set the temperature to above +29.5°C (+85°F). The display then

shows HI.

– Seat heating

—Press the button

or

to switch the seat heating on and off (→ Seat heating, Operation).

– Blower

—Turn the centre rotary knob.

When Climatronic is in automatic mode, no blower speed is displayed in the rotary knob.

– Air recirculation mode

In air recirculation mode, no outside air enters the vehicle interior (→ Air recirculation mode,

Operation).

—Press the

button.

Air distribution

– Air distribution to the upper body via the vents in the dash panel.

– Air distribution to footwell.

– Air distribution to the windscreen.

|

– Defrost function

The defrost function clears the windscreen of ice and condensation.

—Press the button → Fig. 1 .

The air is dehumidified by the Climatronic system when the defrost function is switched on and

the blower is set to a high setting. Additionally, the windscreen heating is switched on.

– Rear window heating

—To switch the rear window heating on and off, press the

button with the vehicle’s drive

system activated.

The rear window heating switches off automatically after 10 minutes at the latest.

Recommended settings for Climatronic

—Press the

button.

—Set the temperature to +22°C (+72°F).

—Open and position the vents on the dash panel.

NOTICE

Do not apply stickers over the heating elements from the inside to prevent damage to the rear

window heating.

When the defrost function

is switched off manually, the most recently used

driving profile will be selected.

Energy consumption increases when the defrost function

is switched on.

Air recirculation mode

In air recirculation mode no fresh air enters the vehicle interior.

Manual air recirculation mode

—Press the

button in the air conditioning block to switch manual air recirculation mode on

or off.

—OR: touch the

function button in the air conditioning settings in the Infotainment system.

Automatic air recirculation mode of Climatronic

In automatic air recirculation mode, fresh air will enter the vehicle interior. The air recirculation

mode will switch on automatically if the system detects an increase in the concentration of

noxious substances in the outside air. Air recirculation mode will switch off as soon as the level of

noxious substances has returned to normal. The system cannot detect unpleasant odours.

—Open the air conditioning settings in the Infotainment system.

—Touch the

function button.

—Touch the Automatic air recirculation function button.

When does air recirculation mode switch off?

Air recirculation mode switches off in the following situations →

:

—If the

button in the air conditioning block is pressed.

—OR: when the

function button in the air conditioning settings in the Infotainment

system is pressed.

—If a sensor detects that condensation might form on the vehicle's windows.

WARNING

Stale air can quickly make the driver tired and negatively affect their concentration which may

cause collisions, accidents and serious injuries.

●

Never use air recirculation mode for an extended period as no fresh air will enter the vehicle

interior.

Use air recirculation mode for a short period only. Condensation could otherwise form very

quickly on the windows, greatly reducing visibility.

Switch off the air recirculation mode when it is no longer required.

NOTICE

In vehicles with an air conditioning system, do not smoke when the air recirculation mode is

switched on. Smoke can leave residue on the evaporator of the cooling system as well as the

dust and pollen filter with pollution filter insert, producing a lasting, unpleasant odour.

If the outside temperature is very high, brief activation of manual air recirculation mode

helps to cool the vehicle interior more quickly.

Seat heating

The seat cushions and backrests can be heated electrically when the ignition is switched on.

Operating the seat heating

—Press the

the highest temperature setting.

—Press the or button repeatedly in order to adjust the temperature setting.

—To switch the seat heating off, press the button or repeatedly until the LEDs go out.

or

button in the air conditioning block in order to switch the seat heating to

If the ignition is turned on again within approximately 10 minutes, the most recent driver seat

temperature setting is automatically activated.

When should the seat heating not be switched on?

Do not switch on the seat heating if one of the following conditions applies:

—The seat is not occupied.

—The seat is fitted with a protective cover.

—A child seat is installed on the seat.

—The seat cushion is damp or wet.

—The temperature in the vehicle interior or the outside temperature is above +25°C (77°F).

WARNING

Anyone with reduced sensitivity to pain or temperature due to medication, paralysis or chronic

illness (e.g. diabetes) could sustain burns on the back, buttocks and legs when using the seat

heating. These burns may take a long time to heal or may never heal fully. Please consult a

doctor if you have questions about your own state of health.

●

Anyone with reduced sensitivity to pain or temperature should never use the seat heating.

WARNING

Wet upholstery can cause a fault in the seat heating and increase the risk of burns.

●

Ensure that the seat cushion is dry before using the seat heating.

Do not sit on the seat in damp or wet clothing.

Do not place any damp or wet objects or items of clothing on the seat.

Do not spill any liquids on the seat.

NOTICE

●

To avoid damaging the heating elements, do not kneel on the seats and do not apply sharp

pressure at a single point to the seat cushion and backrest.

Liquids, sharp objects and insulating materials, such as a protective cover or child seat, may

damage the seat heating.

If an odour develops, immediately switch off the seat heating and have it checked by a

qualified workshop.

To save energy, switch the seat heating off as quickly as possible.

Windscreen heating

The windscreen heating functions when the engine is running.

Manual windscreen heating

—Open the air conditioning settings in the Infotainment system.

—Tap the

function button to switch windscreen heating on or off.

The windscreen heating switches itself off depending on the outside temperature or after around

8 minutes at the latest.

Windscreen heating via the defrost function

The windscreen heating will be switched on when the defrost function is switched on and a

sensor detects that condensation may form on the windscreen.

Switch-off conditions

The windscreen heating switches itself off if one of the following conditions is met:

—The power consumption is too high.

—There is a fault in the air conditioning system.

—The specified time has elapsed.

Troubleshooting

The cooling system cannot be switched on or its function is restricted

The cooling system functions when the vehicle’s drive system is activated and at ambient

temperatures above +3°C (+38°F).

—Switch on the blower.

—In order to operate the cooling system only with the ignition switched on, charge the vehicle

with direct current during this time.

—Select Normal driving profile as the air conditioning system is switched off in the Eco+ driving

profile.

—Charge the high-voltage battery when the charge level has reached the “reserve range”.

—Check the fuse of the air conditioning system (→ Fuses, Description).

— Change the dust and pollen filter (→ Service, Description).

—If the fault persists, seek expert assistance.

The heating and fresh air system cannot be switched on or its function is

restricted

—In order to operate the heating and fresh air system with the ignition switched on, charge the

vehicle with direct current during this time.

—If the fault persists, seek expert assistance.

Condensation on the windows

Condensation may form on the windows if they are colder than the ambient temperature and the

air is very humid. Cold air can absorb less moisture than warm air, which is why condensation

frequently forms on windows in cold weather.

—Keep the air intake in front of the windscreen free of ice, snow and leaves in order to improve

heating and cooling performance (→ Vehicle care, Description).

—Do not cover the air vents in the rear of the luggage compartment. Ensuring they are not

covered will allow air to flow through the vehicle from the front to the rear.

—Press the

button or turn the rotary knob to

position in order to switch on the

defrost function →

.

The wrong unit of temperature has been set

—Change the unit of temperature for all temperature displays in the vehicle using the

Infotainment system (→ Operation and display in the Infotainment system, Description).

—Change the unit of temperature for all temperature displays in the vehicle in the instrument

cluster menu (→ Instrument cluster, Description).

Water under the vehicle

If the humidity and temperature outside the vehicle are high, condensation can drip off the

evaporator in the cooling system and form a pool underneath the vehicle. This is normal and

does not indicate a leak.

If the outside humidity is high and the outside temperature low, condensation may evaporate

through the stationary air conditioning when it is running. If this is the case, steam may appear

underneath the vehicle. This is not a sign that the vehicle is damaged.

WARNING

Poor visibility through all windows increases the risk of collisions and accidents, which can

cause serious injuries.

●

Always ensure that all windows are free of ice, snow and condensation to ensure good

visibility.

Maximum heat output and the fastest possible defrosting of the windows are possible only

when the engine is running. Do not start your journey until you have good visibility.

To help ensure good visibility, make sure that you use the air conditioning system and the

rear window heating correctly.

To operate the heating and fresh air system or the cooling system when the ignition is

switched on, the vehicle must be charged with direct current during this time.

Heating and air conditioning system -> Heating, ventilation, cooling for Your Volkswagen E Golf 4 Door Second Generation (2017-2020)

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