Anyone knows Lexus Lx 470 key battery type?
Try replacing the battery first. If the transponder still doesn't work, start searching the 'Net for a replacement key.
Your Lexus dealer (Parts Dept) will change it for you for the price of the battery, I just paid $4.33 (Sept. 2008). If you want to do it yourself, purchase a CR2032 3v battery (flat disc) from somewhere like Radio Shack or Fry's Electronics. To open the key fob, hold the fob key-ring side up, and do these two things at the same time: 1) slide back the top compartment (with arrow) 2) lift that same top compartment while it's pulled back Once the top is removed, use your fingernail to pull out the battery holder, then slide the battery out of that & replace.
CR1616
CR1616
The key battery for the ls400 is PN# br1216 www.lextechautomotivellc.com
Open the key fob, remove the battery and look and see what size it is.
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what is the replacement battery for a 2003 Honda accord key fob
Read the owners manual that came with the car. Key battery replacement details are in there.
Open it up and check and see.