How to Open Your 2003 Chevrolet Avalanche Key Fob & Change Battery

How to Open Your 2003 Chevrolet Avalanche Key Fob & Change Battery

Remote key fob grant access to your Chevrolet. If the keyless entry remote battery is dead you’ll not to be able lock car remotely. It's not complicated to change the battery in your remote key fob with our guide. All you need is outlined in this article.

What size battery does 2003 Chevrolet Avalanche remote key fob required

Before starting disassembly remote key fob make sure that you have all required tools and materials: one CR2032 battery and flat head screwdriver.
  • 1xCR2032 battery
  • flat head screwdriver

Step by step instruction

A small coin cell battery installed inside the your keyless entry remote. Carefully try to pry apart your key fob with flat head screwdriver. Change 1xCR2032 battery with flat head screwdriver.

Get new battery and install it inside fob’s shell. Every battery has a negative and positive side and if you put the wrong connector down, the charge cannot go into your circuit board and make it work. Check polarity on battery, by "+" mark.

After the new battery installed, verify key fob by pressing buttons. If everything is functioning, assemble your fob’s case in reverse order.

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

Video of remote key fob opening

How To Replace A Chevrolet Avalanche Key Fob Battery 2003 - 2006

Still not working? Buy new one

Frequently Asked Questions

Key fob of Chevrolet Avalanche require 1xCR2032 batteries. Most CR2032 batteries are under $6 build upon the size packaging, brand and type you buy. Take your old battery to the store, to be sure.

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

Changing your remote key fob battery is simple to do in 2003 Chevrolet Avalanche. Most of car manufacturers think of the clients and make a special hole for key fob disassembly.

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

Keyless entry remote batteries in Chevrolet Avalanche should be replaced once in 4 years, although this will differ based on their amount of use and quality. If your keyless entry remote reduced signal strength, you should replace batteries before it stop working and make problems for you.

These symptoms will alert you that it's probably time to replace battery in your 2003 Chevrolet Avalanche: multiple clicks to unlock or lock doors required, key fob buttons not working, signal strength reduced and you didn't change battery more than 4 years.
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Fob Compatibility:

  1. FCC ID: LHJ011
  2. Models: 2003-2006 Chevrolet Avalanche