2020 VOLKSWAGEN TRANSPORTER AUX

Several warning and indicator lamps will light up briefly as a functional check when the ignition is switched on. They will go out after a few seconds.
A WARNING
Failure to observe the warning lamps and text messages could lead to accidents and seri-ous Injuries.
Radar sensor
Fig. 240 In the ventilation grille under the Volks-wagen badge: radar sensor® and area around the radar sensor to be kept clear@.
r--('n First read and observe the introductory L-J,:.U information and safety warnings & on page 298.
A radar sensor is fitted to the front bumper to moni-tor the traffic situation 240 @.Vehicles trav-elling ahead can thus be detected up to a distance of approximately 120 m.
The efficacy of the radar sensor can be impaired by contamination such as slush or snow. or by en-vironmental conditions such as heavy rain or spray. This means that the adaptive cruise control (ACC) also will not work. The instrument cluster display shows the message ACC: No distance con-trol ! . Clean the radar sensors as required
The adaptive cruise control (ACC) will automatical-ly be available again as soon as the radar sensors are no longer impaired. The message on the in-strument cluster display goes out. and the adaptive cruise control (ACC) can be reactivated.
A WARNING (Continued)
• Never ignore any illuminated warning lamps or text messages.
CD
Failure to observe illuminated indicator lamps and text messages can lead to your vehicle be-Ing damaged.
m When the adaptive cruise control (ACC) is L!..J switched on, some system-related displays on the instrument cluster can be overwritlen by other functions, e.g. incoming telephone calls. Strong reflected radiation of the radar signal, e.g. in multi-storey car parks, can impair the function of the adaptive cruise control (ACC).
The area in front of and around the radar sensor ® must not be covered by objects such as stick-ers, auxiliary headlights, face plates for number plates or the like, as this can impair the function of the adaptive cruise control (ACC).
Any structural modifications to the vehicle, e.g. lowering the vehicle or making alterations to the front end trim, can impair the function of the adap-tive cruise control (ACC). Structural modifications should therefore always be carried out by a quali-fied workshop. Volkswagen recommends using a Volkswagen dealership for this purpose.
Incorrectly performed repairs to the front end of the vehicle can alter the position of the radar sensor and therefore impair the function of the adaptive cruise control (ACC). Repair work should therefore only be carried out by a qualified workshop. Volks-wagen recommends using a Volkswagen dealer-ship for this purpose.
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Switch off the adaptive cruise control (ACC) If you suspect that the radar sensor has been damaged or is incorrectly positioned. This can help to prevent secondary damage. Have the radar sensor realigned.
• The radar sensor could be moved if it is hit, for example in parking manoeuvres. Readjust-Ing the sensor could impair the performance of the system or cause it to be switched off. 11>
Driver assist systems 301

m When Front Assist is switched on, the display L!J in the instrument cluster can be overwritten by displays related to other functions, e.g. an in-coming telephone call. Radar sensor
Fig. 246 In the bumper under the Volkswagen badge: radar sensor® and area around the radar sensor to be kept clear@.
r-f"'n First read and observe the Introductory l.-lo:-1.1 Information and safety warnings & on page 307.
A radar sensor is fitted to the front bumper to moni-tor the traffic situation =>Fig. 246 @.Vehicles trav-elling ahead can thus be detected up to a distance of approximately 120 m.
The efficacy of the radar sensor can be impaired by contamination such as slush or snow, or by en-vironmental conditions such as heavy rain or spray. In this case the area monitoring system (Front As-sist) will not work. The instrument cluster display shows the message Front Assist: no sensor view!. Clean the radar sensors as required => Front Assist will automatically be available again as soon as the radar sensor is no longer impaired.
Strong reflected radiation of the radar signal, e.g. in multi-storey car parks, can impair the function of Front Assist.
Front scan system (Front Assist)
r-f"'n First read and observe the introductory l.-lo:-1.1 information and safety warnings & on page 307.
The area in front of and around the radar sensor @ must not be covered by objects such as stick-ers, auxiliary headlights, face plates for number plates or the like, as this can impair the function of the Front Assist.
Any structural modifications to the vehicle, e.g. lowering the vehicle or making alterations to the front end trim, can impair the function of Front As-sist. Structural modifications should therefore al-ways be carried out by a qualified workshop. Volkswagen recommends using a Volkswagen dealership for this purpose.
Incorrectly performed repairs to the front end of the vehicle can alter the position of the radar sensor and therefore impair the function of Front Assist. Repair work should therefore only be carried out by a qualified workshop. Volkswagen recommends using a Volkswagen dealership for this purpose.
Switch off Front Assist if you suspect that the radar sensor has been damaged or its position has been altered. This can help to prevent sec-ondary damage. Have the radar sensor real-Igned.
• The radar sensor could be moved if it is hit, for example In parking manoeuvres. Readjust-Ing the sensor could impair the performance of the system or cause it to be switched off.
• Repair work on the radar sensor will require special knowledge and tools. Volkswagen rec-ommends using a Volkswagen dealership for this purpose.
• Remove snow with a brush, and remove Ice preferably with a solvent-free de-leer spray. The front scan system (Front Assist) is activated automatically when the ignition is switched on.
The system also retains the programmed setting when the ignition is next switched on. 1>
Driver assist systems 309

Volkswagen recommends that Front Assist is switched on at all times. Exceptions =>page 310, Temporarily switch off the front scan system (Front Assist) in the following situations.
Activating and deactivating the front scan system
The front scan system can be activated and deacti-vated using the Front Assist option in the As-sistant submenu of the Settings menu. A tick indicates that a driver assist system is switched on.
The advance warning and distance warning are deactivated as well when the front scan system is deactivated.
If the front scan system is deactivated, a confirma-tory symbol is shown in the instrument cluster dis-play =>page 308
Activating and deactivating the advanced warning
The advance warning can be activated and deacti-vated using the Front Assist option in the As-sistant submenu of the Settings menu.
Activating or deactivating the distance warning
Depending on the vehicle equipment, the distance warning can be activated and deactivated using the Front Assist option in the Assistant sub-menu of the Settings menu.
Volkswagen recommends that the distance warn-ing is switched on at all times. Temporarily switch off the front scan system (Front Assist) in the
following situations
r-T'n First read and observe the introductory l-J,::JJ information and safety warnings & on page 307.
The area monitoring system (Front Assist) should be switched off in the following situations due to system limitations => &:
• If the vehicle is being towed.
• If the vehicle is on a rolling road test bed.
• If the vehide is utilised in a capacity beyond us-age on public roads, e.g. off-road or racing.
• If the radar sensor is faulty.
310 I While drivtng
• On external force on the radar sensor, e.g. after a rear-end collision.
• In the event of multiple unwanted interventions.
• If the radar sensor is covered temporarily by any auxiliary equipment, e.g. auxiliary headlights.
• If the vehicle is being loaded onto a truck, car ferry or motorail train.
A WARNING
Failure to switch off Front Assist in the situa-tions mentioned can cause accidents and se-rious Injuries.

Air conditioning system
Heating, ventilating, cooling
o:n Introduction
This chapter contains information on the following subjects:
Controls for Climatic . . . . . . . . . . . . . . . . . . . . 323
Controls for Climatronic . . . . . . . . . . . . . . . . . 325
Controls for the heating and fresh air system . 327
Information on the air conditioning system . . . 328
..................... m
Air recirculation mode . . . . . . . • . . . . . . . . . . . . 330
Windscreen heating . . . . . . . . . . . . . . . . . . . . . 331
Roof ventilator . . . . . . . . . . . . . . . . . . . . . . . . . . 331
Displays for the Climatronic information
Depending on the vehicle equipment level, infor-mation on the Climatronic is displayed briefly on the screen of the factory-fitted radio or navigation system.
The dust and pollen filter
The dust and pollen filter with activated charcoal reduces the level of impurities in the outside air en-tering the vehicle.
The dust and pollen filler must be changed regular-ly to avoid impairing the performance of the air conditioning system.
The dust and pollen filter must be changed more frequently than stated in the service schedule if the efficiency of the filter declines prematurely due to the vehicle being used in areas with high levels of air pollution.
Additional information and warnings:
• Exterior views 5
• Wipers/washer 116
• Supplementary heaters (auxiliary air heater or auxiliary coolant heater) 332
• Cleaning and caring for the vehicle exterior 380
A 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 mist to ensure good visibility.
3221 While driving
A WARNING (Continued)
• Maximum heat output, which Is needed to defrost the windows as quickly as possible, is only available when the engine has reached Its operating temperature. Do not start your journey until you have good visibil-Ity.
• Always ensure that the heating and fresh air system or the air conditioning system and the rear window heating are used correctly so that you have good visibility.
• Never use the air reclrculatlon mode for an extended period. If the cooling system Is switched off, the windows can mist up very quickly In air reclrculatlon mode and reduce visibility considerably.
• Always switch off the air reclrculatlon mode when it Is not required.
A WARNING
Stale air can quickly make the driver tired and affect their concentration, which In turn can cause collisions, accidents and serious Inju-ries.
• Never switch off the blowers or switch on the air recirculatlon mode for an extended pe· riod as this prevents fresh air from entering the vehicle interior.
• Switch off the air conditioning system if you suspect that it has been damaged. This can help to prevent secondary damage. The air conditioning system should be checked by a qualified workshop.
• Repairs to the air conditioning system re-quire specialist knowledge and special tools. Volkswagen Commercial Vehicles recommends using a Volkswagen Commercial Vehicles deal-ership for this purpose.
• Do not insert any objects in the slots of the air outlets. This could cause damage to the air outlets.

Supplementary heaters (auxiliary air heater or auxiliary
coolant heater)
[Q] Introduction
This chapter contains information on the following subjects:
Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 333
Switching the supplementary heating system on and off . . . . . . . . . . . . . . . . . . . . . . . . 334
Remote control . . . . . . . . . . . . . . . . . 335
Programming the supplementary heating system . . . . . . . . . . . . . . . . . . . . . . 338 Switching the child proof lock on and off . . . . . 339
Operation . . . . . . . . . . . . . . . . . . . . . . . . 339
The supplementary heating system is supplied with fuel from the vehicle fuel tank and can be used when the vehicle is in motion or stationary. Electri-cal power is supplied by the vehicle battery.
The auxiliary air heater runs in air recirculation mode and heats the vehicle interior. it has sepa-rate vents in the passenger compartment =>Fig. 265.
The auxiliary coolant heater heats the heating circuit. Heat is guided into the vehicle interior via the vents for the heating or air conditioning system. With the auxiliary coolant heater, it is possible to switch between heating and ventilating.
Additional information and warnings:
• Supplementary heater in the California =>page 192
• Filling the tank =>page 340
• Battery =>page 362
Swallowing batteries with a diameter of 20 mm or other lithium batteries can result in severe or even fatal injuries within a very short period of time.
• Always keep the vehicle key, key ring with batteries, spare batteries, round cells and other batteries that are larger than 20 mm out of the reach of children.
332 I While driving
• Call for medical help immediately you pect that someone has swallowed a batte
A WARNING
The fumes from the supplementary heating system contain carbon monoxide, which is an odourless and colourless poisonous gas. Carbon monoxide can cause people to lose consciousness. lt can also cause death.
• Never start or run the supplementary heat-ing system In unventllated or closed rooms.
• Never program the supplementary heating system so that Is switched on and run In un-ventilated or enclosed areas.
A WARNING
Parts of the exhaust system of the supple-mentary heating system become very hot. This can cause fires.
• Park the vehicle so that no part of the ex-haust system can come Into contact with any Inflammable material underneath the vehicle, e.g. dry grass.
Q)
Do not place any food, medicine or any other temperature-sensitive items in front of the vents. Heat-sensitive food, medicine and other items could be either damaged or rendered useless.
m After starting the engine with a discharged W vehicle battery, or after the battery has been changed, system settings (time, date, personal convenience settings and programming) may have been changed or deleted. Check and correct the settings as necessary once the vehicle battery has been sufficiently charged.

Controls
Fig. 264 In the headliner: controls of the supplementary heating system
I""""T'n First read and observe the introductory l.-..1=.1.1 infonmatlon and safety warnings & on page 332.
In vehicles with camping equipment (California), the supplementary heater is controlled via the cen-tral control panel 192.
Each button has its own assigned function (letter-ing) as well as a function for the menu (symbol in the display next to the button)
Fig. 265 In the passenger compartment: vent for auxiliary air heater.
264
G) ON/Off
® Display
@ TMR
@ S£T
® MODE
Function
Switch supplementary heating system on and off. Menu-dependent function button: ......_ Setting within a menu.
Multifunction display 1-3 (3): displays the programmed start times. ro: Continuous mode (only auxiliary air heater). Jli: Heating (auxiliary air heater and auxiliary coolant heater). Ventilation (only auxiliary coolant heater).
Set and display start time. Menu-dependent function button: Close the menu.
®Activate the child proof lock. Open the menu 338. Menu-dependent function button: OK Confirm settings.
Auxiliary air heater: setting the heating level. Auxiliary coolant heater: Switch from heating to ventilation. Menu-dependent function button: ...,. Setting within a menu.
Air conditioning system I 333

Switching the supplementary heating system on and off
r-Y'n First read and observe the introductory L-J.:.I.I information and safety warnings & on page 332.
In vehicles with camping equipment (California), the supplementary heater is controlled via the cen-tral control panel =>page 192.
Switching on the supplementary heating sys-tem:
Manually with button [011/0IF) in the roof dis-ON/OFF play.
l/i Manually with the remote control key.
Automatically with a programmed and ac-tivated switch-on time.
Switching off the supplementary heating sys-tem:
ON/OFF Manually with the function button =>Fig. 264 CD in the roof display.
Off Manually with the remote control key.
Automatically after the set operating dura-tion has elapsed.
Only if the vehicle has an auxiliary coolant heater Automatically when the indicator lamp lights (fuel gauge) =>page 340.
Automatically if the charge level of the ad-ditional battery is too low =>page 362.
Setting the operating duration (when the ignition is switched off)
The default setting for the operating duration is 30 minutes. You can set the operating duration be-tween 10 and 120 minutes.
• Press any button on the roof display to activate the roof display.
• Only if the vehicle has an auxiliary coolant heater: Press the button to set the operating mode.
• Press the@ button.
• Press the button@) to set the operating dura-tion.
334 I While driv1ng
• Press the function button ....,. or T until the re-quired operating duration is displayed.
• Press button@) again to confirm the operating duration.
• Only for auxiliary air heater: press the func-tion button ....,. or ... as often as necessary until the desired heating level is displayed.
The supplementary heating system has been switched on. The operatin_lLduration is counted backwards. Press to switch off the sup-plementary heating system prematurely.
Continuous mode eo (only for auxiliary air heater, with the ignition switched off)
Press any button on the roof display to activate the roof display.
Press the@) button.
Press the @) button.
Press the function button ....,. or ... as often as nec-essary until Heating eo is displayed.
Press button @)to confirm the setting.
Press the function button ....,. or T as often as nec-essary until the required temperature level is dis-played.
Press button @)again to confirm the temperature.
Things to note
The supplementary heating system runs on for a short time after it is switched off in order to cool the heating unit (switch-off delay). The exhaust gases in the system can also be emitted.
Switch-off delay for the auxiliary heater
If the ignition is switched off while the auxiliary wa-ter heater is on, the selected function continues being performed for a maximum of 10 minutes. The set switch-off delay is shown on the display.
Each time button is pressed, the switch-off delay is reduced by one minute.

Remote control
B
BSG·OOS3
Fig. 266 Remote control for the auxiliary air heater.
A
BSG-0054
Fig. 267 Remote control of the auxiliary coolant heater.
ru First read and observe the introductory Information and safety warnings & on page 332.
Auxiliary air heater Auxiliary air Auxiliary coolant heater function Fig. heater function Auxiliary coolant heater Fig. 267
CD Aerial. Aerial.
Switch off the Switch off the auxiliary coolant heater.
0@) auxiliary air heater.
Switch on the Switch on the auxiliary coolant heater.
0@ auxiliary air heater.
@) Indicator lamp. Indicator lamp.
Pressing the button in the remote control can switch on the supplementary heating system unin-tentionally.
Indicator lamp in the remote control (auxiliary air heater)
The indicator lamp in the remote control provides the user with a variety of information after each in-put: 1>-
Air conditioning system 335