How to Open Your 2009 Lexus LS 460 Key Fob & Change Battery

If your car key fob isn't working perfectly, the cell battery surely needs to be replaced. It's not difficult to replace the battery in your remote key fob DIY. All tools, that you need is described in this post.
What size battery does 2009 Lexus LS 460 remote key fob required
Before beginning open key fob check all that you need: flat head screwdriver and CR1632 battery.- flat head screwdriver
- 1xCR1632 battery
Simple steps to replace the battery in your car's remote key fob
A small coin battery installed in the your remote key fob. Move the key out of the way if it is in the remote key fob.
Accurately try to pry apart your remote key fob with pry tools. Remove one CR1632 battery with flat head screwdriver.
Change old battery with new one CR1632. Battery must be installed with the same polarity as was an old. Your keyless entry remote will not work if you mistakenly place battery wrong way.
Before assembling keyless entry fob's case, verify that all functions works by testing buttons on circuit board.
The last thing to do is put your cover back on fob. Carefully try to assemble the two halves in place by hands from top to bottom. If your key case firmly 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
Still not working? Buy new one