Anthony Filipich Posted October 24, 2020 Share Posted October 24, 2020 I have only the Valet key,other key the key fab,can't find anyone that can program new key to car any suggestions please thank you Quote Link to comment Share on other sites More sharing options...
Anthony Filipich Posted October 24, 2020 Author Share Posted October 24, 2020 No one seems to have model listed in program even dealer doesn't,if i lose only key im screwed Quote Link to comment Share on other sites More sharing options...
1990LS400 Posted October 27, 2020 Share Posted October 27, 2020 My understanding is that a Lexus dealer can program a new master key from the valet key so that it can start and run the engine. The valet key has security chip it in it - same as a master key. Programming the master key's remote function to open the doors is a separate operation and does not require having any functioning master keys - instructions are attached. I watched Lexus dealer techs program a new master key for my similar 2000 LS400 over and over due to my wife losing hers. 1998 LS400 key programming.pdf Quote Link to comment Share on other sites More sharing options...
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