How to Open Your 2017 Toyota Sienna Key Fob & Change Battery

If your Toyota remote key fob isn't working well, the battery surely needs to be changed. It's not complicated to replace the battery in your key fob with our guide. All tools, that you need is explained below.
What is the battery remote key fob use
Replacing battery in key fob require 1 CR1632 battery and flat head screwdriver. Prepare these materials and tools before opening and make sure to match the type of your keyless entry fob's batteries.- flat head screwdriver
- 1xCR1632 battery
Step by step guide
Inside of your remote key fob installed button cell battery. Move the key out of the way if it is in the remote key fob.
Carefully try to open your remote key fob with flat head screwdriver. Change CR1632 battery with flat head screwdriver.
Now it's time to install new battery in keyless entry fob's shell. Battery must be installed with the same polarity as was an old. Your remote key fob will not work if you mistakenly place battery wrong way.
When the new battery installed, verify key fob functionality by pressing buttons. If everything working fine, assemble your fob’s body in reverse order.
At this point squeeze fob’s back cover together. Line your shell pieces together and assemble it together by hands from top to bottom. If your remote key fob case tightly closed, we done. If not, repeat the last step.
Key Fob Battery Replacement 2017 Toyota Sienna Video
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Still not working? Buy new one