Does anybody know how to change the battery in the key fob and know what kind of battery it takes

 

it's in the manual, and also quite a few previous threads about this (which will come up with a search)

https://www.clublexus.com/forums/gs-...y-battery.html

https://www.clublexus.com/forums/gs-...2-battery.html

 

I usually just take it into the dealership and my guy at the parts department just change it for me with no charge.......

 

Pack of 5 batteries, less than $10 shipped. This place is really good for these small button-type batteries:
http://www.batterybob.com/product.asp?intProdID=201149

 

takes about 5 seconds to change. pull the key out of the fob and use the end of the key to pry the 2 halves of the fab apart. theres a little slot on the fob after you remove the key to pry it apart with the key.

 

good deal thanks eveyone

 

I found the battery at radio shack and changed both fobs and lexus of annapolis wanted to charge $13 a piece for a $4.99 battery

 

Another option is eBay. 5 Energizer batteries shipped for $5.48. Generic brand is also available (priced lower).

 

My dealer will also change the battery for free.