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Posted

I always park my 2000 RX300 in my garage and while eating dinner the horn went off even though I never activated the system and nobody was in the garage. Anyone knows how this could have occurred or whether others have experienced a similar situation?


Posted
Could be a bad pin switch on a door or hood or you have a battery issue, does your clock ever reset when starting?

I checked the battery and the readout window shows a blue light. which is an indication that the battery is fully charged and is okay. You mentioned a door pin switch so I did a search and someone mentioned that the alarm problem is probably the "Drivers Door Power Window Master Switch" and that there is a service bulletin on it.

If the alarm sounds off again, I make an appointment with my Lexus service dealer. Thanks for the assistance.

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