How to Replace the Key Fob Battery in a Chevrolet Bolt EV

1. Press the button on the side of the remote key near the bottom and pull the key out.
2. Separate the two halves of the remote key with a flat tool inserted near the key slot.
3. Push on the battery and slide it toward the bottom of the remote key to remove it.
4. Insert the new CR2032 or equivalent battery with the positive side facing the back cover and push it down until held.
5. Check that the silicone mat sits correctly with no gaps or wrinkles.
6. Set the remote key button side down on a hard surface and press the other half straight down to close the halves.

• Replace the battery when the DIC displays REPLACE BATTERY IN REMOTE KEY.
• Do not touch the circuitry; static can damage the remote key.
• The battery is not rechargeable.

Source: 2023 Chevrolet Bolt EV owner's manual, PDF page 14. Steps are summarized in our own words (AI-assisted, checked against the cited pages 2026-10-18). Other model years can differ; your manual has the final word.