How to Open Your 2010 Kia Sedona Key Fob and Change Battery

Keyless entry remote grant access to your car. If the remote key fob battery is discharged you will lose your fob’s ability to use distance functions. It's not complicated to change the battery in your keyless entry remote by yourself. Everything you need is outlined in this post.
What size battery does 2010 Kia Sedona keyless entry remote required
Before you start to disassembly key fob make sure that you have all recommended tools and materials: one CR2032 battery and flat head screwdriver.- 1xCR2032 battery
- flat head screwdriver
Step by step instruction
Inside of your keyless entry remote installed coin cell battery. Accurately try to disassemble your key with hands or flat head screwdriver. Replace 1xCR2032 battery with flat head screwdriver.
Replace old battery with fresh one CR2032. Every battery has a negative and positive side and if you put the wrong connector down, the current cannot go into your circuit board and make it work. Check position on battery, by "+" mark.
After the new battery installed, verify remote key fob functionality by pressing buttons. If all functions works, assemble your keyless entry fob's case in reverse order.
The last thing to do is put your cover back on fob. Accurately try to assemble the two halves in place by hands from top to bottom. Inspect your remote key fob shell for gaps. If it is not tightly closed try to repeat last step.
Video of key opening
Kia Sedona Key Fob Battery Replacement - DIY
Still not working? Buy new one