How to Replace the Battery in a 2012 Lexus IS 250 Key Fob

Key fob grant easy access to your IS 250. When the key fob battery is weak you lose your keyless entry fob's ability to use distance opportunities. In this article, we explained how to open your keyless entry remote and replace your Lexus key battery.
What type battery does 2012 Lexus IS 250 key fob required
Prior to disassembly remote key fob check all that you need: one CR1632 battery and flat head screwdriver.- 1xCR1632 battery
- flat head screwdriver
Simple steps to change the battery in your car's remote key fob
A tiny button battery installed inside the your key fob. Remove any internal key before you try to pry apart the key fob.
Gently try to disassemble your fob with hands or flat head screwdriver. Remove one CR1632 battery with flat head screwdriver.
Change old battery with fresh one CR1632. 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.
When the new battery installed, check remote key fob by pressing buttons. If everything working properly, assemble your fob’s case in reverse order.
At this point squeeze keyless entry fob's back cover together. Line your shell pieces together and assemble it in place by hands from top to bottom. If your fob body tightly closed, we done. If not, repeat the last step.
Key Fob Battery Replacement 2012 Lexus IS 250 Video
How to â—Ź Lexus Key Fob Remote Keyless Battery Replace HS, ES, GS, LS, IS, GX, CT
Still not working? Buy new one