1992 Lexus SC 300 • 6 cylinder 2WD Manual • 260,000 miles

My 92 lexus sc300 beeps continuously whether it is on or off. Four beeps in a row, "beep, beep, beep beep." What would cause it to do that and how do I fix it. It has been going on for two days now. Even when I turn it off and take the keys out and lock the door it does it all night long
February 10, 2011.

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