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i tried doing a search, but really didnt come up w/much. i have a 2000 GS300. i only had 1 master key and 1 valet key. soooo, i ordered a new cut master key. i was able to program the key to start the car, but the buttons (unlock, trunk, and panic) DONT WORK the ONLY reason i spent so much money on another key was so i could have 2 master keys w/working buttons. PLEASE HELP...
Try these instructions (for an RX, should have the same 3-button key). I'm pretty sure these are for the keyless entry transmitter (not the immobilizer transponder), because they don't involve the brake pedal pushing like the transponder.
Edit, try this thread for (explains a 99 LS in a little bit simpler detail). Instructions are from VVT-i, a moderator here and Lexus technician, so they should be accurate. https://www.clublexus.com/forums/sho...ey+transmitter
Last edited by squarehat; Dec 11, 2003 at 09:12 PM.