Question about 2000 Mitsubishi Montero Sport

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Door ajar light is staying on, can not lock doors once key in ign

I have a 2000 Mistibuisi Montero, the door ajar light does not go out even when car is off all doors are closed. the doors are not locking once keys go in ignition, I think some some was trying to break in, now the battery keep dying on me

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  • howatsl Feb 25, 2009

    I'm having the same problem. I noticed it happening mostly when the car got wet (carwash, or good soaking rain) at the beginning. It's been a few months now and it seems to be getting more and more sensitive and tempermantal. While all doors are closed, the door ajar light on the dash comes on and my interior lights come on, then I can't lock it because when it's armed and the light comes on, it sets off the alarm. I've since turned them off, hopefully saving the battery a little.

    I've been told that it could be a bad door sensor. Do anyone know how to check or how involved it is to test these and replace any that are bad?

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Hi, my name is adam. By the way your descrpion says, you are having difficulty with the door ajar. My solution is to take a pink eraser and clean off the sensors on each door. Sometimes road dirt and grime get in there and screw it up. Thank you.

Posted on Jan 09, 2009

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