How to Open Your 2005 Pontiac Sunfire Key Fob & Change Battery

Key fob grant access to your Pontiac. When the key battery is weak you lose your fob’s ability to use distance functions. Below, you’ll benefit from knowing how to open Pontiac key fob and replace a dead battery yourself. If you choose to do it at home near Sunfire, use this guide, but don't forget to check tools and materials required.
What type battery key fob require
Replacing battery in keyless entry remote require flat head screwdriver and one CR2032 battery. Prepare these materials and tools before opening and make sure to match the size of your keyless entry fob's batteries.- flat head screwdriver
- 1xCR2032 battery
Simple steps to change the battery in your Sunfire's key fob
Inside of your remote key fob installed tiny coin cell battery. Gently try to pry apart your key fob with hands or flat head screwdriver. Remove 1 CR2032 battery with flat head screwdriver.
Now it's time to install new battery in fob’s case. Battery must be installed with the same position as was an old. Your key fob will not work if you mistakenly put battery wrong way.
When the new battery installed, verify key fob by pressing buttons. If all functions works, assemble your keyless entry fob's body in reverse order.
At this point squeeze fob’s back cover together. Line your case two halves together and put it in place by hands from top to bottom. Check your key fob case for gaps. If it is not firmly closed try to repeat last step.
Key Fob Battery Replacement 2005 Pontiac Sunfire Video
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Still not working? Buy new one