Chevrolet Silverado EV key fob battery
2 of the 3 model years listed for the Chevrolet Silverado EV have a proven battery. The most common answer is CR2450. Rows below run oldest to newest; a year can appear twice when the car came with more than one kind of key.
- 2024-2025Smart key
CR2450
FCC ID YG0G21TB2Two sites agree: abkeys.com and bestkeysupply.com (checked Nov 2, 2026)
Find CR2450 on Amazon - 2026Smart key
Not confirmed yet
Changing the battery
Smart key (push-button start)
- Most push-button fobs hide a metal backup key. Press or slide its catch and draw the key out first.
- Use the slot where the metal key sat. Twist, do not lever hard, and work along the seam until the halves separate.
- Pop the old battery out with a toothpick or plastic pick, not a metal blade, and seat the new one with the + side matching the old one.
- Close the case until it clicks all the way round, put the metal key back, then try the buttons and a push-button start.
On many recent GM smart remotes a button on the side releases the key; the slot at the bottom is where the case opens.
A CR2450 is 24.5 mm across and 5.0 mm thick, much fatter than a CR2032. A thinner cell will rattle and lose contact, so buy the exact size.
Coin cells are a choking and burn hazard for children. Store the spares in their original pack, out of reach.