If your security light is flashing, you have a problem with the key or the wireless control. It is sensing that the vehicle is stolen that is why the light is flashing, and will not stay running. You will need to take it to the dealer to confirm which problem it is.
My truck just did the exact thing 2hrs ago. So I take it it was the truck battery and not the key fob. My truck is an 05 w/ 62000. So I'm hoping that tomorrow I can go get a new battery and be back on the road.
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i have a lx470 rx300 lexus truck and its not starting the lights coming on and radio and everything on the dash board at zero even the gas tank and i know its full i jus was driving it and the security light flashing red
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