2004 Buick Park Avenue Key Fob Battery Replacement Instructions

Keyless entry remote allow easy access to your car. Once the key fob battery is weak or dead you will lose your keyless entry fob's ability to use distance functions. In this post, you’ll benefit from knowing how to open Buick remote key fob and change a weak or dead battery DIY. If you decide to do it at home near Park Avenue, use this instruction, but don't forget to check everything you need before you start.
What is the battery key fob use
Prior to open key fob make sure that you have all recommended tools and materials: flat head screwdriver and 1 CR2032 battery.- 1xCR2032 battery
- flat head screwdriver
Step by step instruction
Inside of your key fob installed tiny coin battery. Gently try to disassemble your fob with flat head screwdriver. Change one CR2032 battery with flat head screwdriver.
Get new battery and install it inside keyless entry fob's body. Battery must be installed with the same position as was a previous. Your keyless entry remote will not work if you by mistake put battery wrong way.
Before assembling keyless entry fob's case, verify that all functions works by pressing buttons on circuit board.
At this point squeeze keyless entry fob's back cover together. Line your body two halves together and assemble it in place by hands from top to bottom. Inspect your fob case for gaps. If it is not firmly closed try to repeat last step.
Video of key disassembly
How To Replace A 1996 - 2005 Buick Park Avenue Key Fob Battery FCC ID KOBUT1BT
Still not working? Buy new one