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Can someone do me a huge favor and open their keyless head to see what kind of battery it takes? I have a 93 es300 and the remote doesn't have a battery in it. I don't know what type of voltage battery it needs, and I don't want to put the wrong one in there.
I just replaced the battery in the key for my 93 LS. The number for that battery was CR 1216.
I have not replaced the battery in the key for my 94 ES; however, the key looks identical to the LS key. I would suspect that it uses the CR 1216, also.
The CR 2016 is a much bigger battery.
Both are available at Radio Shack. They cost around $3.00.