How to Open Your 2005 Scion tC Key Fob and Change Battery

If your tC keyless entry remote isn't working properly, the cell battery most likely needs to be changed. In this article, you will benefit from knowing how to disassembly Scion keyless entry remote and change a discharged battery DIY. If you choose to do it at home near tC, use this instruction, but first make sure you have everything you need.
What size battery does 2005 Scion tC remote key fob take
Changing battery in key fob require flat head screwdriver and one CR2016 battery. Prepare these materials and tools before opening and make sure to match the type of your keyless entry fob's batteries.- flat head screwdriver
- 1xCR2016 battery
Step by step instruction
A small coin battery installed in the your remote key fob. Accurately try to open your key with pry tools. Remove 1xCR2016 battery with flat head screwdriver.
Get new battery and install it inside fob’s shell. Battery must be installed with the same position as was an old. Your key fob will not work if you by mistake place battery wrong way.
Before assembling keyless entry fob's case, make sure that all working good by testing buttons on remote key fob.
The last thing to do is put your cover back on fob. Gently try to assemble the two halves together by hands from top to bottom. If your keyless entry remote shell tightly closed, we done. If not, repeat the last step.
Video of key disassembly
How to Replace TOYOTA / SCION Key Fob Battery | EASY!
Still not working? Buy new one