How to Replace the Key Fob Battery in a Chevrolet Cruze

1. Press the button on the side of the transmitter near the bottom and pull the key out.
2. Separate the two halves of the transmitter by inserting a flat tool near the key slot.
3. Push on the old battery and slide it toward the bottom of the transmitter 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. Snap the battery cover back onto the transmitter.

• Replace the battery when the DIC displays REPLACE BATTERY IN REMOTE KEY.
• Do not touch any circuitry on the transmitter, since static could damage it.
• The battery is not rechargeable.

Source: 2019 Chevrolet Cruze owner's manual, PDF page 38. 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.