How to Open Your 2005 Mercury Grand Marquis Key Fob and Change Battery
Remote key fob grant easy access to your auto. When the keyless entry remote battery is discharged you will not to be able unlock doors remotely. In this post, you will benefit from knowing how to open Mercury key fob and replace a dead battery DIY. If you decide to do it at home near Grand Marquis, follow our guide, but don't forget to check everything you need.
What type battery does 2005 Mercury Grand Marquis remote key fob requiredBefore starting disassembly remote key fob check all that you need: flat head screwdriver and CR2032 battery.
- 1xCR2032 battery
- flat head screwdriver
Step by step guide
A coin battery installed inside the your key fob. Gently try to pry apart your key with flat head screwdriver. Change 1xCR2032 battery with flat head screwdriver.
Now it's time to install new battery in fob’s shell. Be sure to connect the battery the right way around in a circuit. Your remote key fob will not work if you put battery wrong way.
When the new battery installed, check key fob functionality by pressing buttons. If all functions works, assemble your fob’s body in reverse order.
At this point squeeze fob’s back cover together. Line your shell pieces together and put it together by hands from top to bottom. If your keyless entry remote shell tightly closed, we done. If not, repeat the last step.
Video of key fob opening
DIY: Ford Keyless Remote Battery Replacement & Disassembly
Still not working? Buy new one