How to Replace the Battery in a Buick LaCrosse Car Key?

1 Answers
OHailey
07/29/25 10:25pm
Here are the specific steps to replace the battery in a Buick LaCrosse car key: 1. First, prepare a CR2032 remote control battery, which can be purchased online or at a 4S store. 2. Position the key with the side without buttons facing up. Then, use a small flat-head screwdriver to pry open the small cover of the remote control at the position indicated by the arrow to reveal the remote control battery. 3. Move the back cover in the closing direction with your hand to remove it and see the inside of the battery. 4. Pay attention to the installation direction. For the LaCrosse remote battery, the positive side should face up, and you can see the '+' sign when you first open the key cover.
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