How to Open Your 2016 Buick LaCrosse Key Fob and Change Battery

If your Buick remote key fob isn't working correct, the battery most likely needs to be changed. In this article, we explained how to open your key fob and change a dead or weak battery DIY. If you gonna solve to do it at home near LaCrosse, use this guide, but first make sure you have everything you need.
What is the battery keyless entry remote use
Don't forget before disassembly keyless entry remote check all that you need: 1 CR2032 battery and flat head screwdriver.- flat head screwdriver
- 1xCR2032 battery
Step by step guide
Inside of your remote key fob installed coin battery. Open the key if it is in the remote key fob.
Carefully try to pry apart your fob with flat head screwdriver. Change 1xCR2032 battery with flat head screwdriver.
Change old battery with new one CR2032. Battery must be placed with the same polarity as was an old. Your key fob will not work if you mistakenly place battery wrong way.
Before assembling fob’s case, check that all functions works by pressing buttons on remote key fob.
At this point squeeze keyless entry fob's back cover together. Line your case two halves together and assemble it together by hands from top to bottom. If your key case tightly closed, we done. If not, repeat the last step.
Video of key disassembly
Buick LaCrosse / Encore Key Fob Battery Replacement - EASY DIY