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Help! Trouble Programming A New Key?

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Hello Everyone,

I recently bought a newly cut key to fit my Rx 300 and have followed the programming instructions to a T and cannot get the key programmed. If anyone has any advice in how to get this job done I would greatly appreciate it.. thanks

I have a master key this is just for an additional key to start. THANKS AGAIN!!!

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  • 2 weeks later...

i will help but need more info,

what instructions are you using?

before you reply, get the working key and insert it into the ignition. watch the security light. how fast does the light turn off. if .5 sec delay or goes out immediate.

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