How to Open Your 2017 Kia Optima Key Fob & Change Battery

How to Open Your 2017 Kia Optima Key Fob & Change Battery

If your Kia keyless entry remote isn't unlock doors well, the battery likely needs to be changed. It's not complicated to change the battery in your keyless entry remote with our ultimate instruction. All tools, that you need is outlined in this article.

What size battery does 2017 Kia Optima key fob required

Don't forget before disassembly remote key fob check all that you need: flat head screwdriver and 1xCR2032 battery.
  • flat head screwdriver
  • 1xCR2032 battery

Simple steps to replace the battery in your car's key fob

A small coin battery installed in the your remote key fob. Remove any internal key first, and then try to pry apart the key fob.

Accurately try to open your key fob with hands or flat head screwdriver. Remove 1 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 fob will not work if you connect battery wrong way.

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

At this point squeeze keyless entry fob's back cover together. Line your body two halves together and assemble it in place by hands from top to bottom. Inspect your key fob body for gaps. If it is not firmly closed try to repeat last step.

How to change the battery video guide

How To Replace The Battery On The Kia Optima Remote

Still not working? Buy new one


Keyless entry remote of Kia Optima require 1xCR2032 batteries. Most CR2032 batteries are under $6 depending on the brand, type and size packaging you buy. You can take old battery to the store, to be sure.

Remote key fob in most of cases reprogramming not required after battery change. If your key fob not working, recheck new battery voltage. Otherwise, read user's manual or contact local dealer.

Replacing your key fob battery is simple to do in 2017 Kia Optima. Most of car manufacturers think about customers and make a special hole for remote key fob disassembly.

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

Remote key fob batteries in Kia Optima should be changed every three or four years, but this will differ based on their amount of use and battery quality. If your key fob shortened signal strength, you should change batteries before it stop close doors and make problems for you.

If your Kia signal strength reduced, fob's battery more than 4 years old, has low key battery indicator on dashboard or need multiple clicks to unlock or lock doors, in most cases battery change inside remote key fob needed. Installed battery is dead with a high probability, but if it's not help, keyless entry remote change or repair required.
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Fob Compatibility:

  2. Models: 2016-2020 Kia Optima