2004 Chevrolet Trailblazer Key Fob Battery Replacement Instructions

2004 Chevrolet Trailblazer Key Fob Battery Replacement Instructions

Key fob allow access to your Trailblazer. When the remote key fob battery is weak or dead you will lose your keyless entry fob's ability to use remote functions. It's not complicated to replace the battery in your remote key fob by yourself. All you need is outlined in this post.

What is the battery remote key fob use

Before going to open key fob be sure that you have all required tools and materials: CR2032 battery and flat head screwdriver.
  • 1xCR2032 battery
  • flat head screwdriver

Step by step instruction

A coin cell battery installed inside the your key fob. Delicately try to disassemble your remote key fob with flat head screwdriver. Change one CR2032 battery with flat head screwdriver.

Now it's time to install new battery in keyless entry fob's shell. Be sure to connect the battery the right way around in a circuit. Your key will not work if you place battery wrong way.

When the new battery installed, verify key fob by pressing buttons. If all functions works, assemble your fob’s case in reverse order.

At this point squeeze fob’s back cover together. Line your case pieces together and assemble it in place by hands from top to bottom. Check your key case for gaps. If it is not tightly closed try to repeat last step.

Video of key fob opening

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 $4-6 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.

Usually, after keyless entry remote battery replace, you do not need to reprogram. Don't be scare of this procedure, because often it's described in user's manual.

Yes, you can replace battery in your 2004 Chevrolet Trailblazer remote key fob yourself. Most difficult part is to open fob’s case. It's pretty easy with our guide.

The price to replace the battery in keyless entry remote is in range from $30 to as high as $500 depending on the car and the service pricing.

You should change batteries inside keyless entry remote of Chevrolet Trailblazer at least every 4 years. The term of battery vary on usage time, operating conditions and quality.

If your Trailblazer signal strength reduced, need multiple clicks to unlock or lock doors, key fob buttons not working or has low key battery indicator on dashboard, in most cases battery replace inside keyless entry remote required. Current battery is discharged with a high probability, but if it's not help to fix issues, fob change or repair needed.
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Fob Compatibility:

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