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alarms

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How to Pick an Alarm For Your Car
Your vehicle is an important part of your everyday life. It is important to protect your vehicle from damage and burglary using a car alarm. A car alarm is an...
How to Reset a Car Alarm
A car alarm that is not working at all or not working properly can be extremely annoying to you and your neighbors. It may also put your...

Related questions

Question
Why does my alarm go off when I hold the brake down?
Hi there. It sounds like the batteries in the alarm siren need changing. The alarm siren is located behind the wheel arch liner and easy to get to if you remove one side of the liner. The alarm siren has...
Question
Electrical fault with my car alarm.
Hi there. Car alarms come with different kinds of sensors that affect how they respond to activity around them. Car alarm systems also come with tilt sensors, which trigger the alarm if the car's position is moved. Check all of...
Question
Yesterday my whole car cut off its said on the display battery saver on n check charge system i dont know what to do my wont even
Hello. The alarm system must be able to draw power from the battery in order to work while the vehicle is off. Due to the recent after market installation, it is likely the vehicle's battery and charging system have been...
Question
Horn/Chime will not sound when I activate alarm.
Hi there. Replacement of the struts should have no affect on the horn as there would have been no reason to remove any part of that system. First, does the horn work if you press the horn button? If so,...
Question
Buttons don't work after a minute or so
Hello and thank you for contacting YourMechanic. The security system is acting up and is becoming active cutting off circuits to the vehicle. The system is thinking that the car is being stolen. Remove the battery cables positive '+' and...
Question
Car key remote is not working
There are two tricks for resetting an alarm without a key fob. When the alarm sounds, lock and unlock the door locks with the key three times in a row. Try both the driver and passenger doors as well as...
Question
The only way I can deactivate the alarm at this moment is by turning on the car.
Hello, thanks for writing in to YourMechanic. Most cars support a "reset" mode for the alarm that works as follows: close all doors and lock the car with the key in the drivers door. After 2-3 minutes, unlock the driver...
Question
Door ajar light is on and the cab lights won't turn off while driving
Hi there. From the description you have provided, this is probably the result of a failed door ajar light switch. The door ajar switch is part of the door latch assembly. It may have to be replaced as an assembly....
Question
Car won't start. Alarm keeps going off (aftermarket alarm)
Hello. From what you describe, it would appear that your vehicle has experienced some sort of electrical issues. It may be possible that the alarm system has been set off or has perhaps malfunctioned, and as a result is cutting...
Question
Car won't start up after new battery put in
Hello. The security system has been activated by the battery replacement. To reset the Honda security system: (1) using the physical key, close all doors, (2) insert the key in the driver door, turn to the "Unlock" position, (3) turn...
Question
Can a gps/tracking device placed on my vehicle cause my car alarm to malfunction?
Hi there. Its no possible for a GPS unit to set off the car alarm unless the ground wire to the GPS unit is wired into the same ground as the alarm system. If the alarm is all of a...
Question
Alarm system is silenced and my car won't start
I'm sorry, but I will need a little more info for this one like the year make and model of the vehicle. Many vehicles' alarms systems are designed to react differently to certain inputs. Something as simple as a loose...
Question
Alarm goes off randomly once or twice daily
Hi there. Deciding to replace or repair your vehicle is a decision you'll have to make. From the description you have provided, it may be that the only problem is a bad battery. When a battery has a sulfur smell,...
Question
Car alarm and remote control
Hi. This is a rare problem to have installing a good battery should not make the alarm system go off. I think there my be a problem with the alarm system shutting your car down because something has shorted the...
Question
Car won't start and anti-theft alarm goes off when I try to jump it
If the battery is less than 4 years old, have it load tested. It will have to be fully charged, though, in order for a load test to be reliable. In your circumstance, if the battery is more than 4...
Question
how do you disconnect the car alarm on a 1996 Nissan Pathfinder?
Hi and thanks for contacting YourMechanic. Disconnecting an alarm to your vehicle depends on which alarm you are removing. If you are attempting to remove the alarm that is built within the factory settings, then that is not possible for...
Question
My car horn goes off randomly
There are a few things along the horn circuit that may cause this type of concern. The horn switch inside the wheel may be shorted and will trip the circuit to sound the horn. There is also a relay in...
Question
I think the anti theft system is at fault, can we disable it?
Do you get a different response when unlocking the vehicle with the key fob first? In this case, there may be some confusion in the anti-theft system which should be looked into by your local dealer. Often disabling the anti-theft...
Question
Car won't start
If you have a key fob with a good battery, you should be able to toggle the alarm on and off. If your car is Passlock equipped you could try the 30 minute re-learn procedure. You will go through three...
Question
Car door alarm sensors keep going off while car is on, because of that I can't even lock my doors when it's off.
Hi and thanks for contacting Your Mechanic. What seem to happen is a door sensor / switch has failed. Turn on the dome light to door and shut all of the doors. See if the light dims after shutting all...

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