Its definitely the alarm. I had plenty of issues with my other Supra when I had it, and thats what it was. To reset the alarm on these cars, cycle the key a few times in the passenger door. Thats all I can say..it sounds like the car thinks its being stolen
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ASE: Brakes
Yea..that very well could have been the most retarded idea I've ever heard, but .. do it anyway. -TheShow50h