How to Open Your 2009 Lexus ES 350 Key Fob & Change Battery

Keyless entry remote allow easy access to your auto. If the key battery is dead you’ll not to be able close doors remotely. In this article, we walks you through how to open your keyless entry remote and change your Lexus key battery step by step.
What kind of battery key fob use
Before going to open key fob make sure that you have all required tools and materials: 1xCR1632 battery and flat head screwdriver.- 1xCR1632 battery
- flat head screwdriver
Step by step instruction
A tiny coin cell battery installed inside the your key fob. Remove any internal key before you try to pry apart the remote key fob.
Accurately try to open your keyless entry remote with pry tools. Remove CR1632 battery with flat head screwdriver.
Now it's time to install new battery inside keyless entry fob's body. Battery must be installed with the same polarity as was a previous. Your key fob will not work if you mistakenly place battery wrong way.
When the new battery installed, check keyless entry remote by pressing buttons. If everything is functioning, assemble your keyless entry fob's body in reverse order.
At this point squeeze fob’s back cover together. Line your case pieces together and put it in place by hands from top to bottom. If your key fob case tightly closed, we done. If not, repeat the last step.
How to change the battery video instruction
How to â—Ź Lexus Key Fob Remote Keyless Battery Replace HS, ES, GS, LS, IS, GX, CT