Replace Key Fob Batteries

How to Replace the Battery in a 2008 Cadillac STS Key Fob

How to Replace the Battery in a 2008 Cadillac STS Key Fob

If your STS key fob is no longer unlock doors properly, the battery likely must to be changed. In this article, you will benefit from knowing how to open Cadillac remote key fob and change a weak or dead battery yourself. If you gonna solve to do it at home near STS, follow our instruction, but first make sure you have everything you need.

What type battery does 2008 Cadillac STS keyless entry remote required

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

Step by step guide

A tiny button cell battery installed inside the your key fob. Accurately try to disassemble your key with flat head screwdriver. Replace 1 CR2032 battery with flat head screwdriver.

Change old battery with new one CR2032. Battery must be installed with the same position as was an old. Your keyless entry remote will not work if you mistakenly place battery wrong way.

Before assembling fob’s case, check that all functions works by pressing buttons on circuit board.

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

Key Fob Battery Replacement 2008 Cadillac STS Video

Cadillac - DIY Key Fob Battery Replacement

Still not working? Buy new one

Frequently Asked Questions

Remote key fob of Cadillac STS use 1xCR2032 batteries. Most CR2032 batteries are under $6 depending on the type, size packaging and brand you buy. Take your old battery to the store, to be sure.

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

Changing your remote key fob battery is simple to do in 2008 Cadillac STS. Most of car manufacturers think about customers and make a special hole for remote key fob open.

The cost to replace the battery in fob is in range $50-600 depending on the brand and the service pricing.

You should replace batteries inside remote key fob of Cadillac STS at least every 3-4 years. The term of battery differ on their amount of use, operating conditions and quality.

If your auto key fob buttons not working, fob's battery more than 4 years old, need multiple clicks to unlock or lock doors or signal strength reduced, it's probably battery change in key fob required. Installed battery is dead with a high probability, but if it's not help to fix issues, keyless entry remote change or repair needed.
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Contents:

  1. Battery Size and Tools
  2. Replacement Guide
  3. Video Instruction
  4. FAQ

Other Cadillac Models:

Fob Compatibility:

  1. FCC ID: M3N5WY7777A
  2. Models: 2008-2011 Cadillac STS