How to Replace the Battery in a 2011 Lexus RX 450h Key Fob
Key fob grant access to your car. Once the remote key fob battery is dead you not to be able lock doors from distance. It's not complicated to replace the battery in your remote key fob by yourself. All tools, that you need is described in this article.
What size battery does 2011 Lexus RX 450h keyless entry remote requiredReplacing battery in key fob require 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.
- 1xCR1632 battery
- flat head screwdriver
Step by step instruction
A small coin battery installed inside the your key fob. Remove any internal key before you try to pry apart the remote key fob.
Gently try to disassemble your keyless entry remote with hands or flat head screwdriver. Change one CR1632 battery with flat head screwdriver.
Get new battery and install it in keyless entry fob's shell. 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 polarity on battery, by "+" mark.
Before assembling keyless entry fob's case, check that all functions works by pressing buttons on circuit board.
The last thing to do is put your cover back on fob. Carefully try to assemble the two halves together by hands from top to bottom. Check your key body for gaps. If it is not firmly closed try to repeat last step.
Video of remote key fob disassembly
How to ● Lexus Key Fob Remote Keyless Battery Replace HS, ES, GS, LS, IS, GX, CT
Still not working? Buy new one