How to Replace the Battery in a 2002 Chevrolet Trailblazer Key Fob

How to Replace the Battery in a 2002 Chevrolet Trailblazer Key Fob

Key fob grant easy access to your auto. If the remote key fob battery is weak or dead you will not to be able lock trunk or doors remotely. In this article, we walks you through how to open your car keyless entry remote and replace your Chevrolet key battery step by step.

What kind of battery key fob use

Changing battery in key fob require CR2032 battery and flat head screwdriver. Prepare these materials and tools before opening and make sure to match the size of your keyless entry fob's batteries.
  • 1xCR2032 battery
  • flat head screwdriver

Step by step instruction

A tiny button battery installed in the your key fob. Accurately try to pry apart your fob with hands or flat head screwdriver. Remove one CR2032 battery with flat head screwdriver.

Get new battery and install it inside keyless entry fob's shell. Battery must be placed with the same position as was a previous. Your key fob will not work if you by mistake put battery wrong way.

After the new battery installed, check remote key fob by pressing buttons. If all functions works, assemble your keyless entry fob's shell in reverse order.

At this point squeeze keyless entry fob's back cover together. Line your shell two halves together and put it together by hands from top to bottom. If your remote key fob shell tightly closed, we done. If not, repeat the last step.

Key Fob Battery Replacement 2002 Chevrolet Trailblazer Video

How To Replace Chevrolet Trailblazer Key Fob Battery 2002 2009

Still not working? Buy new one

Frequently Asked Questions

Remote key fob of Chevrolet Trailblazer use 1xCR2032 batteries. Price for CR2032 batteries are under $5 build upon the size packaging, type and brand you buy. Take your old battery to the store, to be sure.

Often, after remote key fob battery change, you do not need to reprogram. Remote key fob reprogramming procedure often described in user's manual of your vehicle.

Replacing your key fob battery is easy to do in 2002 Chevrolet Trailblazer. Most of car manufacturers think about clients and make a special hole for keyless entry remote open.

The cost to replace the battery inside remote key fob can run anywhere from $30 to as high as $500 depending on the brand and the service pricing.

Remote key fob batteries in Chevrolet Trailblazer should be changed once in 3-4 years, but this will differ based on frequency of use and quality. If your keyless entry remote decreased signal strength, you should change batteries before it stop open doors and make trouble for you.

These signs will alert you that it's probably time to replace battery in your 2002 Chevrolet Trailblazer: you didn't change battery more than 4 years, low key battery indicator on dashboard, key fob buttons not working and signal strength reduced.
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Fob Compatibility:

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