How to Open Your 2009 Chevrolet Trailblazer Key Fob & Change Battery
If your Trailblazer remote key fob is no longer working well, the battery more likely needs to be replaced. Below, you’ll benefit from knowing how to open your remote key fob and replace a weak battery yourself. If you choose to do it at home near Trailblazer, follow our guide, but don't forget to check tools and materials required.
What size battery does 2009 Chevrolet Trailblazer key fob take
Prior to open remote key fob make sure that you have all required tools and materials: flat head screwdriver and 1xCR2032 battery.- flat head screwdriver
- 1xCR2032 battery
Step by step guide
Inside of your remote key fob installed coin cell battery. Delicately try to open your key fob with hands or flat head screwdriver. Replace CR2032 battery with flat head screwdriver.
Change old battery with fresh one CR2032. Be sure to connect the battery the right way around in a circuit. Your key will not work if you connect battery wrong way.
Before assembling fob’s case, verify that everything working fine by pressing buttons on circuit board.
The last thing to do is put your cover back on fob. Carefully try to assemble the two halves together by hands from top to bottom. Check your key shell for gaps. If it is not firmly closed try to repeat last step.
Key Fob Battery Replacement 2009 Chevrolet Trailblazer Video
How To Replace Chevrolet Trailblazer Key Fob Battery 2002 2009
Still not working? Buy new one