Lexus GX470; add a spare key using 4Runner FSM. DIY Key Programming.

You can make your Lexus GX470 recognize a new chip without going to the dealer.
I used the instructions from a 4Runner, it worked.
No Techstream needed.
GXOR, Gx470, Lexus470, Spare key
This is a 2006 Lexus GX470.

[@ryancox8282]

Dude! Thanks for this! It totally worked for me! ('04 470)

[@davidreuben1256]

Where did you buy the new key?