Volkswagen ID.4: Washer fluid

General information

Fig. 1 In the hood space: Cap on the washer fluid reservoir (general example).

The windshield washer fluid reservoir in the Volkswagen ID.4 is located within the hood space and is clearly marked with a recognizable symbol on the cap for easy identification → fig. 1. This ensures that even during quick maintenance checks, the correct reservoir can be located without confusion.

The washer fluid reservoir is identified with the symbol on the cap → fig. 1.

For optimal visibility and driving safety in the Volkswagen ID.4, always check the washer fluid level regularly and refill it when necessary, especially before long journeys or during adverse weather conditions.

Preparations

1. Prepare the Volkswagen ID.4 for work in the hood space following all safety procedures.

2. Open the hood carefully (→ In the engine compartment).

Checking and refilling

1. Inspect the washer fluid level in the reservoir of the Volkswagen ID.4 and ensure that it is sufficient.

2. When topping up, mix clean water with a suitable alcohol-based windshield washer fluid. Always follow the mixing instructions provided by the manufacturer → , → . The filler neck of the reservoir contains a protective screen that prevents dirt and large particles from entering the system and clogging the washer nozzles → .

3. In cold weather conditions, always add an appropriate anti-freeze agent to the washer fluid mixture to prevent freezing. Follow the instructions on the anti-freeze product packaging to ensure proper protection.

Do not use distilled water to fill the windshield washer fluid tank.

WARNING

Using unsuitable additives in the washer fluid system of the Volkswagen ID.4 may create a greasy film on the windshield. This significantly reduces visibility and increases the risk of accidents, including serious or fatal injuries.

• Never add coolant, household cleaners, or other inappropriate substances to the washer fluid.

NOTICE

Cleaning agents that contain acids may damage the washer system and lead to malfunction of the spray nozzles.

• Do not use vinegar-based or acidic cleaning products in the Volkswagen ID.4 washer fluid reservoir.

NOTICE

Mixing different washer fluid brands or types may cause chemical reactions, resulting in deposits that can clog the washer nozzles.

• Always use compatible alcohol-based washer fluids.
• Never mix different washer fluids together.

NOTICE

If the protective screen in the filler neck is missing or damaged, contaminants may enter the system and block the spray nozzles.

• Remove the screen only for cleaning purposes.
• Replace any damaged or missing screen immediately.

Introduction

Work on the cooling system of the Volkswagen ID.4 should only be performed if you have sufficient knowledge, proper tools, and the correct operating fluids. Incorrect handling can lead to serious injuries or system damage → . If necessary, always consult qualified professionals. Volkswagen recommends visiting an authorized Volkswagen dealer or service facility for any maintenance related to coolant or thermal systems.

Further details about warning and indicator lights can be found in the troubleshooting section (→ Engine coolant).

WARNING

Engine coolant used in the Volkswagen ID.4 is toxic. Contact with coolant, especially ingestion, can result in serious or fatal injuries.

• If coolant is swallowed, seek immediate medical attention.
• If any health issues occur after exposure, consult a doctor promptly.
• Always store coolant securely in its original sealed container and out of reach of children.
• Never store coolant in food or drink containers to avoid accidental ingestion.
• Avoid prolonged skin contact with coolant.
• Wear protective gloves and eye protection when handling coolant.
• Do not eat, drink, or smoke while working with coolant.
• Wash hands and exposed skin thoroughly after handling coolant.

WARNING

At very low temperatures, insufficient coolant protection may cause freezing, leading to vehicle breakdown and loss of heating in the Volkswagen ID.4. This can endanger occupants, especially in cold environments.

• Ensure the coolant mixture is appropriate for the ambient temperature.
• Only use manufacturer-approved coolant additives.

Coolant and related fluids from the Volkswagen ID.4 can harm the environment. Always collect any leaking fluids and dispose of them in accordance with local environmental regulations. If leaks are detected, have the vehicle inspected by a qualified Volkswagen service specialist.