How to Replace the Battery in a 2018 Lexus LC 500h Key Fob
If your LC 500h key isn't unlock doors properly, the cell battery probably needs to be changed. In this case, we demonstrate how to disassembly Lexus remote key fob and change a weak or dead battery yourself. If you gonna solve to do it at home near LC 500h, use this instruction, but first make sure you have tools and materials required before you start.
What type battery does 2018 Lexus LC 500h remote key fob take
Prior to open remote key fob be sure that you have all recommended tools and materials: 1xCR2032 battery and flat head screwdriver.- flat head screwdriver
- 1xCR2032 battery
Step by step guide
Inside of your remote key fob installed tiny button cell battery. Move the key out of the way if it is in the keyless entry remote.
Carefully try to pry apart your keyless entry remote with hands or flat head screwdriver. Remove 1xCR2032 battery with flat head screwdriver.
Get new battery and install it inside fob’s body. Every battery has a negative and positive side and if you put the wrong connector down, the charge cannot go into your circuit board and make it work. Check polarity on battery, by "+" mark.
When the new battery installed, check keyless entry remote functionality by pressing buttons. If all functions works, assemble your keyless entry fob's body in reverse order.
The last thing to do is put your cover back on fob. Gently try to assemble the pieces together by hands from top to bottom. If your fob body firmly closed, we done. If not, repeat the last step.
How to change the battery video instruction
Lexus Key Fob Battery Replacement HYQ14FBF (ES300H, ES350, ES350H, GX460, LC500, LS500, and More)
Still not working? Buy new one