Replace Key Fob Batteries

How to Open Your 2002 Cadillac DeVille Key Fob & Change Battery

How to Open Your 2002 Cadillac DeVille Key Fob & Change Battery

Key fob allow access to your auto. If the keyless entry remote battery is dead or weak you lose your fob’s ability to control remote opening function. In this article, we outlined how to open your keyless entry remote and change your Cadillac key battery.

What kind of battery key fob require

Changing battery in remote 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.
  • flat head screwdriver
  • 1xCR2032 battery

Step by step instruction

A tiny button cell battery installed in the your keyless entry remote. Accurately try to disassemble your key fob with hands or flat head screwdriver. Replace one CR2032 battery with flat head screwdriver.

Now it's time to install new battery inside keyless entry fob's case. 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.

Before assembling fob’s case, verify that all functions works by testing buttons on key fob.

The last thing to do is put your cover back on fob. Delicately try to assemble the two halves together by hands from top to bottom. Check your fob case for gaps. If it is not tightly closed try to repeat last step.

Video of remote key fob opening

How To Replace Cadillac Deville Key Fob Battery 2001 - 2005

Still not working? Buy new one

Frequently Asked Questions

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

Remote key fob in most of cases do not require to be reprogrammed 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 key fob battery is easy to do in 2002 Cadillac DeVille. Most of car manufacturers think about clients and make a special hole for key fob disassembly.

Car service cost for replace the battery in remote key fob is from $30 to as high as $500 depending on the brand.

Key fob batteries in Cadillac DeVille should be changed once in three or four years, but this will differ based on frequency of use and quality. If your remote key fob reduced signal strength, you should replace batteries before it stop open doors and make trouble for you.

If your Cadillac fob's battery more than 4 years old, key fob buttons not working, signal strength reduced or has low key battery indicator on dashboard, in most cases battery change inside keyless entry remote required. Installed battery is weak or dead with a high probability, but if it's not fix problem, fob replace 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: KOBLEAR1XT
  2. Models: 2001-2005 Cadillac DeVille