2018 Kia Optima Key Fob Battery Replacement Instructions

If your Kia key isn't unlock doors properly, the battery likely must to be replaced. Below, we described how to open your car remote key fob and replace your Kia key battery step by step.
What type battery does 2018 Kia Optima remote key fob take
Before beginning open keyless entry remote check all that you need: flat head screwdriver and 1 CR2032 battery.- flat head screwdriver
- 1xCR2032 battery
Simple steps to replace the battery in your car's key fob
A small button cell battery installed inside the your keyless entry remote. Remove any internal key first, and then try to pry apart the key fob.
Accurately try to disassemble your key with flat head screwdriver. Change CR2032 battery with flat head screwdriver.
Change old battery with new one CR2032. Battery must be installed with the same polarity as was a previous. Your keyless entry remote will not work if you mistakenly put battery wrong way.
Before assembling keyless entry fob's case, make sure that all functions works by testing buttons on remote key fob.
The last thing to do is put your cover back on fob. Gently try to put the two halves in place by hands from top to bottom. Inspect your keyless entry remote shell for gaps. If it is not tightly closed try to repeat last step.
How to replace the battery video instruction
How To Replace The Battery On The Kia Optima Remote
Still not working? Buy new one