Toyota Transponder In Lexus Key Shell?

[bigegg]

I want to have a third key cut for my '99 GS300.

I can obtain the blank key + a two or three button shell from the 'bay for a couple of quid, but 2nd hand transponders seem a bit thin on the ground.

A quick search for "toyota key" seems to bring up several which appear physically identical - three buttons in the same place, same shape plastic bit - except that the metal part is pointed, rather than cut square.

Does anyone know if a transponder removed from a toyota key can be reprogrammed [1] for a lexus?

doesn't matter if two or three button, and programmed as valet or master.

Thanks

[1] I know that technically I reprogram the car, rather than the key :)

[The-Acre]

I want to have a third key cut for my '99 GS300.

I can obtain the blank key + a two or three button shell from the 'bay for a couple of quid, but 2nd hand transponders seem a bit thin on the ground.

A quick search for "toyota key" seems to bring up several which appear physically identical - three buttons in the same place, same shape plastic bit - except that the metal part is pointed, rather than cut square.

Does anyone know if a transponder removed from a toyota key can be reprogrammed [1] for a lexus?

doesn't matter if two or three button, and programmed as valet or master.

Thanks

[1] I know that technically I reprogram the car, rather than the key :)

I don't know if this helps, but I've looked on eBay for months waiting for the right key but nothing came along. I decided to look under "LS400 breaking" and found two MK4's. I contacted the sellers and one had the right key and now it's all sorted, so maybe that's a better way of getting a key?

Phil