It depends what is setting it off. If it is just a loose door latch, it is usually easy to fix. Lock the car and set the alarm. Pull on each door handle to see if a door switch opens and sets off the alarm. If it does, adjust the latch on the door to close the door more fully.
If it is not a door switch, maybe the inertia switch is too sensitive. Unless your model has an adjustable sensitivity, that problem is harder to solve.
SOURCE: 1998 Ford Windstar alarm goes off randomly
Ours does the same thing, and every time it goes off we find an interior light on, or the glove box is open. Somehow the electrical circuit from the lights sets off the alarm. *shrug* Weird...
SOURCE: Explorer alarm goes off randomly
There can be many things causing this. In my experience a bad battery can short while the vehicle is parked. Its easy to have tested and Autozone or Oreillys will test your whole vehicle free.
Next possibility would be dirty Battery cables or loose battery connections to the Ground wire. Of course, some vehicles have additional triggers for Glass breakage and motion. Sometimes on cars with Autoload leveling, the Air pump will work to level the car and the Alarm will sense the current draw and vibration and go off.
These Alarms are not foolproof. You have a "Panic" button on your remote. If another person has a device casting this signal your Alarm will pick it up and activate. Your Dealer may have testing equipment for your system to correct the sensitivity of the unit. I hope it is simply a bad battery and your problem will go away with a new one.
SOURCE: My alarm on 2002 ford
most likely you have a door switch problem, you must take to shop to have it scanned, and they can tell you what door it is. most times it is drivers door, because that is the door that gets the most use.
SOURCE: left rear axle seal leaking on 2007 ford escape how do you fix it
you will have to dimantle rear hub withdraw driveshaft and replace seal oon axle drain axle oil first square drain plug in centre of axle hope this helps
SOURCE: my 2006 ford escape alarm
Subject; 2006 Ford Escape Re: dome light, door ajar lamp on dash, uncontrollable alarm activation. I just purchased the subject vehicle and did have problems with the factory (OEM ) alarm going off through the day and night. The first thing I did to fix the problem was; I removed all the door locks from each of the doors and disassembled them to ensure proper operation of the micro switches within each of the door locks. I also checked the hood trigger switch to ensure it was functioning correctly. I removed the plastic cover on the inside of the hatch to ensure proper function of the two door latches under it (one for the hatch the other for the glass). Still having the problems I originally had I decided my problem could be a bad ground to the frame. So I made another ground from a trigger switch to the chassis (frame). I made my ground connection above the headliner on the right rear of the vehicle. Raise the main rear hatch and pull the top section of the plastic corner post panel back, pull the headliner down to expose the multi pin connector going to the rear hatch wiring. In that bundle of wires is a black/White stripe wire. I soldered a wire to that wire and attached the other to ground. I would not suggest removing the locks from your doors or hatch, and oil/WD-40 won't work either. However high pressure air with carburetor cleaner seem to work best for me in making the door locks work smoother. Basically all the cleaner does is removed dirt and dust buildup from around the micro switch assembly within each door. You could potentially have a bad door lock to but can isolate them one by one. Good luck.
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