How to Replace the Battery in a 1998 Lexus LX 470 Key Fob

Keyless entry remote grant access to your Lexus. If the keyless entry remote battery is dead you’ll not to be able lock car from distance. In this post, we described how to open your car remote key fob and replace your Lexus key battery step by step.
What is the battery keyless entry remote use
Before you start to disassembly keyless entry remote check all that you need: one CR1616 battery and flat head screwdriver.- 1xCR1616 battery
- flat head screwdriver
Step by step guide
A small coin battery installed in the your remote key fob. Gently try to open your remote key fob with hands or flat head screwdriver. Change one CR1616 battery with flat head screwdriver.
Now it's time to install new battery inside fob’s case. 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.
Before assembling keyless entry fob's case, verify that all functions works by testing buttons on circuit board.
At this point squeeze fob’s back cover together. Line your shell pieces together and assemble it in place by hands from top to bottom. Check your key fob case for gaps. If it is not tightly closed try to repeat last step.
How to change the battery video guide
How to â—Ź Lexus Key Fob Remote Keyless Battery Change/Replace and Broken Casing
Still not working? Buy new one