Volkswagen ID.4: Replacing the button cell battery

Volkswagen recommends that the battery in the Volkswagen ID.4 key be replaced by qualified professionals. For best results, contact an authorized Volkswagen dealer or service center → .

Fig. 1 Remote control vehicle key: opening the battery compartment cover.

1. Emergency key.
2. Carefully lever open the battery compartment cover.

Fig. 2 Vehicle key: replacing the button cell battery

1. Remove the emergency key → fig. 1 -1- (→ Vehicle key).

2. Insert the emergency key into the designated slot, push in the direction of the arrow, and carefully remove the cover → fig. 1 -2-.

3. Remove the depleted battery from the compartment → fig. 2, → .

4. Insert the new button cell battery into the Volkswagen ID.4 key, ensuring correct polarity.

5. Press the cover back into place securely → fig. 2, → .

6. Reinsert and store the emergency key (→ Vehicle key).

7. Dispose of the used battery responsibly according to environmental regulations.

DANGER

Button cell batteries can be extremely dangerous if swallowed, potentially causing severe internal injuries or death in a very short time.

• Seek immediate medical attention if a battery is swallowed or inhaled.
• Keep all vehicle keys and batteries out of reach of children at all times.

NOTICE

Incorrect battery replacement or using an unsuitable battery may damage the Volkswagen ID.4 key.

• Only use batteries of the same type, voltage, and size.
• Ensure correct orientation when installing the battery.
• If the cover does not close properly, do not use the key.

The batteries used in the Volkswagen ID.4 key may contain perchlorate and require special disposal procedures. Always follow local environmental regulations or consult an authorized Volkswagen service center for proper handling.

To maintain reliable operation of your Volkswagen ID.4, regularly check the key condition and battery performance, especially if remote functions become less responsive.

Vehicle key functionsVolkswagen ID.4 (E21) 2021-2026 Service Manual