How to Open Your 1999 Buick Riviera Key Fob & Change Battery

Key fob grant access to your auto. Once the keyless entry remote battery is dead you will lose your fob’s ability to control remote functions. In this article, we walks you through how to open your key fob and change your Buick key battery step by step.
What type battery does 1999 Buick Riviera keyless entry remote take
Before you start to open keyless entry remote check all that you need: CR2032 battery and flat head screwdriver.- 1xCR2032 battery
- flat head screwdriver
Simple steps to replace the battery in your car's keyless entry remote
Inside of your key fob installed tiny coin battery. Accurately try to disassemble your fob with pry tools. Change 1 CR2032 battery with flat head screwdriver.
Now it's time to install new battery inside keyless entry fob's body. Every battery has a negative and positive side and if you put the wrong connector down, the current cannot go into your circuit board and make it work. Check polarity on battery, by "+" mark.
Before assembling keyless entry fob's case, verify that everything working fine by pressing buttons on circuit board.
At this point squeeze keyless entry fob's back cover together. Line your case pieces together and assemble it in place by hands from top to bottom. Check your fob body for gaps. If it is not tightly closed try to repeat last step.
Video of key disassembly
How To Replace Buick Riviera Key Fob Battery 1999