CR1616
Probably a CR1616. Open it up and see what battery it takes.
3 button fob 2003 onwards cr1616
Lithium CR1632 (2008). I just replaced mine and got it from the dealer.
CR1616
A small battery that fits in a key fob or remote.
Open the key fob, remove the battery and look and see what size it is.
Open it up and check and see.
To change the battery in a Lexus RX350 key fob, start by using a small flathead screwdriver to gently pry open the key fob casing along the seam. Once opened, locate the battery, typically a CR2032 type, and carefully remove it. Replace it with a new battery, ensuring the positive side is facing up, then snap the fob back together. Finally, test the key fob to ensure it is working properly.
To change the battery in a Lexus ES350 key fob, first, locate the small notch or slot on the side of the fob. Use a small flathead screwdriver or a coin to gently pry open the fob's casing. Once opened, remove the old battery and replace it with a new one, ensuring the positive side is facing up. Finally, snap the fob back together securely.
To change the battery in a 2007 Lexus IS 250 key fob, first, use a small flathead screwdriver to gently pry open the fob along the seam. Once open, remove the old battery, noting the orientation, and replace it with a new CR1632 battery, ensuring the positive side faces up. Reassemble the fob by snapping it back together until it clicks. Test the key fob to ensure it operates correctly.
Panasonic CR 1616
To change the battery in a 2009 Lexus ES350 key fob, first, use a small flathead screwdriver to gently pry open the key fob. Once opened, remove the old battery, typically a CR1632 type, and replace it with a new one, ensuring the positive side is facing up. Finally, snap the fob back together and test it to ensure it’s working properly.