How to Replace the Key Fob Battery in a Chevrolet Silverado 1500

1. Press the button on the side of the remote key near the bottom and pull the mechanical key out.
2. Use the mechanical key blade in the slot to remove the battery cover by hand.
3. Pull the tab to peel back the seal and reach the battery.
4. Remove the old battery without using a metal object.
5. Insert the new CR2450 Lithium or equivalent battery with the positive side facing up.
6. Set the seal back into the groove around the battery compartment.
7. Snap the battery cover back onto the remote key and reinsert the mechanical key.

• Replace the battery soon when the DIC displays REPLACE BATTERY IN REMOTE KEY.
• Never pull the mechanical key out without pressing the button.
• Reassemble the remote key properly so liquids cannot enter and damage it.

Source: 2026 Chevrolet Silverado 1500 owner's manual, PDF pages 17, 18. 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.