How to Replace the Battery in a 2005 Chevrolet Trailblazer Key Fob

How to Replace the Battery in a 2005 Chevrolet Trailblazer Key Fob

Key fob allow easy access to your Chevrolet. When the key fob battery is weak or dead you’ll lose your fob’s ability to use remote opening function. Below, we walks you through how to disassembly your key fob and replace your Chevrolet key battery step by step.

What is the battery key fob use

Before starting open remote key fob be sure that you have all recommended tools and materials: 1xCR2032 battery and flat head screwdriver.
  • flat head screwdriver
  • 1xCR2032 battery

Step by step guide

A small button cell battery installed inside the your remote key fob. Delicately try to pry apart your keyless entry remote with pry tools. Change CR2032 battery with flat head screwdriver.

Get new battery and install it inside fob’s case. Battery must be installed with the same polarity as was a previous. Your key will not work if you by mistake put battery wrong way.

Before assembling fob’s case, make sure that all functions works by testing buttons on circuit board.

The last thing to do is put your cover back on fob. Delicately try to put the pieces in place by hands from top to bottom. If your keyless entry remote shell tightly closed, we done. If not, repeat the last step.

Key Fob Battery Replacement 2005 Chevrolet Trailblazer Video

How To Replace Chevrolet Trailblazer Key Fob Battery 2002 2009

Still not working? Buy new one

Frequently Asked Questions

Keyless entry remote of Chevrolet Trailblazer require 1xCR2032 batteries. Price for CR2032 batteries are under $4-6 depending on the type, brand and size packaging you buy. You can take old battery to the store, with you to find a proper replacement.

Remote key fob in most of cases reprogramming not needed after battery change. If your remote key fob not working, recheck new battery voltage. Otherwise, read user's manual or contact local dealer.

Yes, you can replace battery in your 2005 Chevrolet Trailblazer key fob yourself. Most difficult part is to disassembly keyless entry fob's case. It's pretty easy with our step by step guide.

The cost to change the battery in key is in range from $30 to as high as $500 depending on the brand and the service station.

You should replace batteries inside keyless entry remote of Chevrolet Trailblazer at least once in three or four years. The lifetime of battery differ on frequency of use, operating conditions and quality.

These signs will alert you that it's perhaps time to replace battery in your Chevrolet Trailblazer: low key battery indicator on dashboard, multiple clicks to unlock or lock doors required, signal strength reduced and key fob buttons not working.
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Fob Compatibility:

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