How to Open Your 2009 Chevrolet Trailblazer Key Fob & Change Battery

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

FAQ

Key fob of Chevrolet Trailblazer use 1xCR2032 batteries. Price for CR2032 batteries are under $4 depending on the brand, size packaging and type you buy. You can take old battery to the store, with you to find a proper replacement.

Often, after remote key fob battery replace, reprogramming not required. Don't be scare of this procedure, because often it's described in user's manual.

Yes, you can replace battery in your 2009 Chevrolet Trailblazer remote key fob yourself. Most hard part is to disassembly keyless entry fob's case. It's pretty simple with our guide.

The cost to replace the battery in keyless entry remote is in range $50-600 depending on the car and the service pricing.

You should change batteries inside key fob of Chevrolet Trailblazer at least once in three years. The lifetime of battery vary on their amount of use, operating conditions and quality. Famous brands cells normally will last longer.

These signs will warning you that it's perhaps time to replace battery in your Chevrolet Trailblazer: low key battery indicator on dashboard, you didn't change battery more than 4 years, multiple clicks to unlock or lock doors required and key fob buttons not working.
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Fob Compatibility:

  1. FCC ID: MYT3X6898B
  2. Models: 2002-2009 Chevrolet Trailblazer