Checking and filling
In the hood space
Safety precautions for working in the hood space
The hood space of a vehicle is a dangerous area. Only perform work in the hood space if you are familiar with the necessary activities and the general safety
precautions, and if the correct operating equipment, fluids and suitable tools are available. Work performed incorrectly can result in serious injuries ⇒
work performed by suitably qualified professionals if necessary. Volkswagen recommends contacting an authorized Volkswagen dealer or authorized Volkswagen
Service Facility.
. Have all
WARNING
The hood space is a dangerous area. Any work in the hood space could lead to accidents and serious or fatal injuries.
Always work as cautiously and carefully as possible.
Do not perform work in the hood space unless you are familiar with the required activities.
If you are not sure how to do the work in the hood space, have the work required carried out by suitably qualified professionals. Volkswagen recommends
contacting an authorized Volkswagen dealer or authorized Volkswagen Service Facility.
Set the electronic parking brake before working in the hood space.
Switch off the ignition and store the vehicle key securely and far enough away from the vehicle to ensure that the vehicle's drive system cannot be
activated accidentally and the electrical system cannot be powered unintentionally.
Never touch hot components of the electric drivetrain.
Do not leave any items, such as cleaning cloths or tools, in the hood space.
Always keep children away from the hood space and never leave them unattended.
WARNING
The hood space contains moving components. When working in the hood space, particularly when starting the vehicle or if the vehicle is drive-ready, contact
with moving parts, e.g. fan blades in the radiator fan, may cause serious or fatal injuries.
Never reach into the radiator fan or into the area near the radiator fan even with the ignition or the vehicle's drive system switched off. The ventilator is
temperature-controlled and may switch on by itself.
To reduce the risk of anything becoming caught in electric drivetrain components, always remove any jewelry and/or ties, tie back long hair, and avoid
wearing loose-fitting clothing when performing work.
Always press the accelerator pedal extremely carefully and never press it without paying close attention. The vehicle could begin moving, even if the
electronic parking brake is set.
WARNING
Escaping hot steam or hot coolant and hot components may cause serious burns.
Never open or close the hood if steam or engine coolant is escaping.
Always wait until you can no longer see or hear steam or engine coolant escaping from the hood space.
WARNING
The motor cooling system is under pressure when the electric motor is hot. If the cover is opened carelessly, coolant may spray out and cause serious burns or
fatal injuries.
Never open the cap on the coolant expansion tank when the electric drivetrain is hot.
Always protect your face, hands and arms from hot coolant or steam with a large, thick cloth if you have to open the cover of the coolant tank.
Slowly and very carefully turn the cap on the coolant expansion tank counterclockwise while pressing down lightly on the cap.
WARNING
Additional insulating materials, such as covers in the hood space, or discarded items, such as cleaning cloths or tools, can cause malfunctions, damage to the
electric drivetrain or fires. This could result in serious or fatal injuries.
Never cover the electric drivetrain with blankets or other insulating materials.
Never leave items in the hood space.
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Always make sure the vehicle is parked on a firm, flat surface before performing any work in the hood space of the vehicle
⇒
.
WARNING
If the vehicle is not secured against rolling away during maintenance procedures, the vehicle may move unintentionally. This could result in accidents and
serious or fatal injuries.
Never work underneath the vehicle when it has not been correctly secured to prevent it from rolling.
If working under the vehicle with the wheels touching the floor, ensure the vehicle is on a level surface and the wheels are secured.
If you are working underneath the vehicle, additionally support the vehicle securely with suitable stands. The vehicle jack is not sufficient for this purpose
and may collapse.
Work on the high-voltage system may only be performed by qualified personnel who are trained to follow the Volkswagen guidelines
battery must be checked by a qualified and trained specialist after a collision or after the vehicle runs into an obstacle.
⇒
. The high-voltage
DANGER
The components of the high-voltage system carry high electrical voltage. Contact with live components of the high-voltage system causes burns, serious
injuries or fatal electric shocks.
Always assume that the high-voltage battery is fully charged and that all the high-voltage components are live. This may be the case even if the ignition is
switched off.
Never touch high-voltage components or orange high-voltage cables. Damage to high-voltage components is not always obvious.
Never remove the orange high-voltage cables and never damage or modify them.
Never disconnect the high-voltage cable from the high-voltage system.
Never open or modify the cover of the high-voltage battery and never remove it.
Never perform any work in the vicinity of high-voltage components or high-voltage cables using cutting, shaping, or sharp-edged tools or heat sources.
Always have work on the high-voltage system performed by a suitably qualified authorized Volkswagen dealer or authorized Volkswagen Service Facility
approved for this work. Volkswagen recommends contacting an authorized Volkswagen dealer or authorized Volkswagen Service Facility.
Never perform repair and maintenance procedures on orange high-voltage cables or high-voltage components.
DANGER
Any damage to the vehicle or high-voltage battery may result in the immediate or delayed escape of poisonous gases or liquids. The escaping gases may cause
a fire. There is a risk of serious or fatal injuries.
Do not breathe in the gases escaping from the high-voltage battery.
Never touch liquids leaking from the high-voltage battery.
If a fire breaks out, leave the danger zone with all vehicle occupants and contact the fire department.
Always let the fire service and emergency responders know that your vehicle is equipped with a high-voltage battery.
WARNING
The high voltage in the electrical system may cause electric shocks and burns. This could result in serious or fatal injuries.
Never short-circuit the electrical system. The 12 V vehicle battery could explode.
Never touch the high-voltage components, the high-voltage battery or, in particular, the orange high-voltage cables when the vehicle is drive-ready or the
vehicle's drive system is being switched on.
Preparing the vehicle for work in the hood space
Always perform the following activities in the specified sequence before all work in the hood space ⇒
:
1. Park the vehicle safely on level and stable ground ⇒ Parking.
2. Remove the remote control vehicle key from the vehicle and store it outside of the vehicle, so that the vehicle does not start accidentally.
3. Always keep other people away from the hood space.
4. Secure the vehicle against rolling away.
WARNING
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If the steps described for working in the hood space are ignored, accidents may occur. Serious injuries may result.
Always follow the tasks described and observe the general safety precautions.
Opening and closing the hood
Fig. 156 In the driver's side footwell: Release lever for the hood (general example).
Fig. 157 On the hood: Opening lever.
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Fig. 158 In the hood space: Hood support in the bracket.
Fig. 159 On the engine hood: Hood support bracket (general example).
Opening the hood
1. Open the driver door and pull the release lever in the direction of the arrow fig. 156. The hood will pop open due to spring force from the catch in the lock carr
⇒
.
2. To open the hood fully, slightly lift the hood while pushing the actuating lever in the direction of the arrow fig. 157.
3. Lift the hood support out of the bracket fig. 158 in the direction of the arrow and hook it into the opening fig. 159.
Closing the hood
1. Lift the hood slightly and hold it.
2. Unhook the hood support from the opening fig. 159 and clip it back into the bracket fig. 158.
3. Let the hood fall into the lock carrier catch from a height of approximately 20 cm (8 inches); do not press it down. When the hood is closed correctly, it will be
flush with the surrounding sections of the vehicle body ⇒
If the hood is not closed correctly, lift the hood up and try to close it again.
If the hood is not correctly closed, an indicator will appear in the display of the Volkswagen Digital Cockpit. Once the hood is correctly closed, the indicator will turn
off.
WARNING
If the hood is not closed correctly, it could open suddenly while driving and block the view through the windshield. Accidents and serious or fatal injuries could
result.
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After closing the hood, check that the catch is engaged correctly in the lock carrier.
If you realize when driving that the hood is not closed properly, park the vehicle safely and close the hood.
WARNING
Failing to take care when opening and closing the hood can result in serious injuries.
Do not open or close the hood if any persons are in the closing range of the hood.
NOTICE
Opening and closing the hood incorrectly can cause damage to the hood or wiper arms.
Only open the hood when wiper mode is switched off and with the windshield wipers folded in.
Always fold the wiper arms against the windshield before driving.
Display
An image in the instrument cluster display indicates if the hood is open or has not closed correctly
⇒
.
Do not continue driving!
1. Stop the vehicle as soon as it is safe to do so.
2. If necessary, lift the hood and close it again.
The image is also displayed when the ignition is switched off, and it disappears several seconds after the doors are closed and the vehicle is locked.
WARNING
Disregarding warning notifications could lead to breakdowns while driving, accidents and serious or fatal injuries.
Never ignore warning notifications.
Stop the vehicle as soon as it is safe to do so.
Do not continue driving and seek professional assistance if the warning light does not go out.
Operating fluids and operating equipment
All operating fluids and operating equipment, such as engine coolant, and vehicle batteries, are continuously being developed. Have fluids and operating equipmen
replaced by suitably qualified professionals. Volkswagen recommends contacting an authorized Volkswagen dealer or authorized Volkswagen Service Facility.
WARNING
Carrying out work on the 12 V vehicle electrical system may cause fires and serious or fatal injuries.
Always disconnect the 12 V vehicle battery.
Always have a fully-functioning, checked fire extinguisher nearby.
WARNING
Fluids may be poisonous. Improper use and storage may cause serious or fatal injuries.
Only store fluids in their sealed original containers.
Never use empty food cans, bottles, or other containers to store fluids, because someone could drink the fluids by mistake.
Keep children away from all fluids and operating equipment.
Always read and heed the information and warnings on the packaging for the fluids.
When using products that emit harmful vapors, always work outdoors or in a well-ventilated area.
WARNING
Fluids and some materials in the hood space are highly flammable and may ignite on contact with hot surfaces, sparks, or naked flames. This can lead to a fire
and cause accidents and serious or fatal injuries.
Never smoke near the hood space.
Never work near open flames or sparks.
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Never perform work near sources of heat, boilers, or other open flames.
Never pour or spill fluids on the electric drivetrain.
Always have a fully-functioning, checked fire extinguisher nearby.
NOTICE
The use of incorrect fluids can cause serious malfunctions and damage to the electric drivetrain.
When filling or changing fluids, make sure the correct fluids are added to the corresponding reservoirs.
Fluids leaking from the vehicle can cause environmental damage. Always check the ground under the vehicle for leaking fluids. If you see spots of fluid on the
ground under the vehicle, have the vehicle checked by an authorized Volkswagen dealer or authorized Volkswagen Service Facility. Dispose of leaking fluids
correctly. Volkswagen recommends contacting an authorized Volkswagen dealer or authorized Volkswagen Service Facility.
Washer fluid
General information
Fig. 160 In the hood space: Cap on the washer fluid reservoir (general example).
The windshield washer fluid reservoir is located in the hood space. The washer fluid reservoir is identified with the
Check the washer fluid level regularly and fill if necessary.
symbol on the cap fig. 160.
Preparations
1. Prepare the vehicle for work in the hood space ⇒ In the hood space.
2. Open the hood → page , Opening and closing the hood.
Checking and refilling
1. Check if there is enough washer fluid in the reservoir.
2. To top it up, mix clean water with a suitable alcohol-based windshield cleaner. Follow the mixing instructions on the packaging of the windshield cleaner
. There is a screen in the filler tube in the windshield washer fluid reservoir. The screen keeps large particles of contaminants from entering the washer
nozzles when you refill the washer fluid ⇒
⇒
⇒
.
3. When the outside temperatures are cold, an anti-freeze agent should be added to the water so that it does not freeze. Follow the mixing instructions on the
packaging of the anti-freeze agent.
Do not use distilled water to fill the windshield washer fluid tank.
WARNING
Unsuitable additives in the windshield washer fluid can create an oily film on the vehicle windshield. This may reduce visibility and increase the risk of accidents
and serious or fatal injuries.
Never add coolant additive or similar unsuitable additives to the windshield washer fluid.
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2024 VW ID.4 Owner's Manual
