How to Open Your 2008 Toyota Sienna Key Fob & Change Battery
Key fob grant access to your Toyota. Once the key battery is dead or weak you will not to be able lock doors from distance. In this case, you will benefit from knowing how to disassembly Toyota remote key fob and replace a dead or weak battery yourself. If you choose to do it at home near Sienna, use this guide, but don't forget to check all you need.
What type battery does 2008 Toyota Sienna keyless entry remote takeBefore beginning open key fob be sure that you have all required tools and materials: one CR2032 battery, phillips head screwdriver and flat head screwdriver.
- flat head screwdriver
- 1xCR2032 battery
- phillips head screwdriver
Step by step guide
A tiny coin cell battery installed inside the your keyless entry remote. Remove screw on the back of the remote key fob. Flip the key fob over and find for at least 1 screw holding in the plastic.
Accurately try to open your fob with hands or flat head screwdriver. Change CR2032 battery with flat head screwdriver.
Get new battery and install it in keyless entry fob's case. 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.
Before assembling keyless entry fob's case, verify that all functions works by pressing buttons on circuit board.
At this point squeeze keyless entry fob's back cover together. Line your body pieces together and assemble it in place by hands from top to bottom. Inspect your remote key fob case for gaps. If it is not tightly closed try to repeat last step. Screw the back of the remote key fob.
Video of remote key fob disassembly
DIY - How to change SmartKey Key fob Battery on Toyota Sienna
Still not working? Buy new one