2002 Kia Optima Key Fob Battery Replacement Instructions

2002 Kia Optima Key Fob Battery Replacement Instructions

If your auto keyless entry remote is no longer working correct, the cell battery most likely needs to be replaced. In this post, we described how to disassembly your keyless entry remote and replace your Kia key battery.

What kind of battery key fob use

Prior to open key fob make sure that you have all recommended tools and materials: flat head screwdriver and 1 CR2032 battery.
  • 1xCR2032 battery
  • flat head screwdriver

Step by step guide

A coin battery installed inside the your remote key fob. Accurately try to disassemble your keyless entry remote with hands or flat head screwdriver. Replace 1xCR2032 battery with flat head screwdriver.

Change old battery with fresh one CR2032. Be sure to connect the battery the right way around in a circuit. Your keyless entry remote will not work if you place battery wrong way.

Before assembling keyless entry fob's case, verify that all functions works by testing buttons on circuit board.

The last thing to do is put your cover back on fob. Accurately try to assemble the pieces together by hands from top to bottom. If your remote key fob body firmly closed, we done. If not, repeat the last step.

Video of key fob disassembly

How To Replace Kia Optima Key Fob Battery 2003 2004 2005

Still not working? Buy new one

Frequently Asked Questions

Key fob of Kia Optima use 1xCR2032 batteries. Price for CR2032 batteries are under $6 build upon the size packaging, type and brand you buy. You can take old battery to the store, to find a proper replacement.

Remote key fob in most of cases do not need to be reprogrammed after battery change. If your key not working, recheck new battery voltage. If it is not help, read user's manual or contact local dealer.

Yes, you can change battery in your 2002 Kia Optima key fob yourself. Most difficult part is to disassembly keyless entry fob's case. It's pretty simple with our instruction.

The price to replace the battery inside fob can run anywhere from $30 to as high as $500 depending on the car and the service pricing.

Key fob batteries in Kia Optima should be replaced every three or four years, also this will vary based on their amount of use and quality. If your key fob reduced signal strength, you should change batteries before it stop open doors and make problems for you.

These signs will warning you that it's possible time to replace battery in your 2002 Kia Optima: low key battery indicator on dashboard, you didn't change battery more than 4 years, key fob buttons not working and signal strength reduced.
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Fob Compatibility:

  1. FCC ID: PLN BONTEC-T011
  2. Models: 2002-2006 Kia Optima