How to Replace the Key Fob Battery in a Chevrolet SS

1. Press the button on the transmitter to extend the key.
2. Pry off the battery cover with a finger.
3. Push on the battery and slide it toward the key blade to remove it.
4. Insert a new CR2032 or equivalent battery with the positive side facing up, and push it down until held.
5. Snap the battery cover back onto the transmitter.

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

Source: 2017 Chevrolet SS owner's manual, PDF page 31. 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.