How to Open Your 1996 Lexus SC 400 Key Fob and Change Battery

If your Lexus remote key fob is no longer working correct, the battery more likely must to be replaced. In this post, we walks you through how to open your car key fob and change your Lexus key battery step by step.
What is the battery key fob require
Prior to open key fob be sure that you have all recommended tools and materials: flat head screwdriver and one CR2016 battery.- flat head screwdriver
- 1xCR2016 battery
Step by step instruction
A button cell battery installed inside the your remote key fob. Accurately try to open your keyless entry remote with pry tools. Change one CR2016 battery with flat head screwdriver.
Change old battery with new one CR2016. 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 position on battery, by "+" mark.
Before assembling keyless entry fob's case, check that all functions works by pressing buttons on keyless entry remote.
The last thing to do is put your cover back on fob. Carefully try to assemble the two halves in place by hands from top to bottom. Inspect your fob shell for gaps. If it is not firmly closed try to repeat last step.
Video of key fob disassembly
How To Replace Lexus SC Key Fob Battery 1995 1996 1997
Still not working? Buy new one