How to Replace the Key Fob Battery in a Buick Verano

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 the new battery with the positive side facing up and push it down until it is held in place.
5. Snap the battery cover back onto the transmitter.

• Use a CR2032 or equivalent battery.
• Do not touch the transmitter circuitry; static from your body could damage it.
• The DIC shows REPLACE BATTERY IN REMOTE KEY when the battery is weak.

Source: 2017 Buick Verano owner's manual, PDF pages 35, 122. 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.