How to Replace the Battery in a 2005 Kia Optima Key Fob
If your Optima keyless entry remote is no longer working correct, the cell battery most likely must to be changed. In this article, we outlined how to open your car keyless entry remote and change your Kia key battery step by step.
What size battery does 2005 Kia Optima remote key fob take
Replacing battery in keyless entry remote require flat head screwdriver and one CR2032 battery. Prepare these materials and tools before opening and make sure to match the type of your fob’s batteries.- flat head screwdriver
- 1xCR2032 battery
Simple steps to replace the battery in your Optima's keyless entry remote
Inside of your key fob installed tiny coin battery. Gently try to open your key fob with flat head screwdriver. Change one CR2032 battery with flat head screwdriver.
Now it's time to install new battery inside keyless entry fob's shell. Battery must be placed with the same polarity as was an old. Your remote key fob will not work if you mistakenly put battery wrong way.
After the new battery installed, verify remote key fob by pressing buttons. If all functions works, assemble your fob’s shell in reverse order.
The last thing to do is put your cover back on fob. Gently try to assemble the pieces in place by hands from top to bottom. If your key shell 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