Remote key programing help

I just recived a new master key with the remote built in to the key but I dont know how to program the remote and transponder to work.
can some one help me? I do have the original working key.
1999 lexus LX-470

Here is the correct programming procedure

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remote key programing for toyota land cruiser prado 2006

remote key programing for toyota land cruiser prado 2006
hi if u find out can u let me knw
cuz i hav a 2002/3 model and i need 2 knw aswell thanx
regards
my email :- [email protected]