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alarms

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Hey there. You may not be able to get a new remote for the system you have. This is considered an aftermarket alarm even though it was installed by a Ford dealer. Your only choices with the system is to...

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...

Alarm

Hello. I think you have a faulty alarm system. You may want to try to disconnect the alarm system (https://www.yourmechanic.com/article/how-to-disable-a-car-alarm) and reconnect it to see if you are getting the same problem. I believe your lights and alarm system problems...

Car cranks but won't start. Security system was supposedly removed by previous owner.

This vehicle does have a built in factory alarm system and if the system is altered to try to remove it then you would need to either find out what was altered or have a mechanic like one from YourMechanic...

My car alarm keeps randomly going off at night or during a storm. I know one of my door sensors is messed up and it thinks it's op

The alarm system cannot be bypassed to disable the alarm. you will need to locate and repair the defective door latch in order to fix the issue. I know this is not what you wanted to hear but the manufacturer...

Panic buttons is working but alarms is not. How do I turn it on? From toyota corolla 2016

You are most likely not having an issue with the alarm. The system is designed to not arm itself until a certain amount of time after you lock all doors. The system will disable the ignition and activate after about...

After unlocking the car from the drivers side, if the passenger door is opened before the key is put in the car the alarm goes off.

The key should only unlock the driver door with one turn and unlock all of the doors with two turns. If the passenger door is unlocking when the driver door is turned with one turn or if the alarm is...

Battery died, does it have anything to do with alarm going off and not stopping when it was recharged? 2003 GMC Yukon

Hi there - yes, a security/alarm system that continues to beep/honk/whatever, is draining your battery, just like a light that is left on. Most cars make the alarm system go off when the battery is replaced - or when the...

Why does my car alarm not make any sound in my 2015 Toyota Corolla

Hello. The first thing I would need to know would be if this is the factory alarm or an aftermarket alarm. If it is a siren then it may be aftermarket meaning that the siren itself is bad. If this...

Yea, I'm wondering how to stop my stock factory alarm from going off. I don't know what I moved that started my alarm to go off in the 1st place.

Hi there. Remove the battery cables (https://www.yourmechanic.com/services/service-battery-cables) and leave the cables off for about 13 minutes. This will clear the immobilizer and the ECM (computer) to a learning mode. Then hook up the battery cables. If the alarm is turned...

My car alarm is going off for no reason

Hi there. Check the sensibility of the car alarm. If the car alarm is set to a slight vibration and can pick up light vibrations, then check around the garage that would contribute to a light vibration. That may be...

Car alarm going off for no reason

This could be caused by the hood switch. Hyundai has a technical service bulletin (9-BE-026) where the rubber bumper that keeps the hood switch depressed needs to be replaced with a new improved thicker one. My recommendation is to have...

2008 BMW Z4 alarm won't beep when locking but lights flash and red light blinks under rearview mirror

Hello. If the horn is working normally then you have a programming issue. In most cases the control module for the alarm will need to be reprogrammed by the dealer in order to make it operational again. If the horn...

Daughter just had a new battery in her 2005 Ford Focus. She finally got the car alarm to stop. The car wil not start. She is still

If the theft light is still on in the dash when the key is turned to on then the problem may be the theft module got cleared when battery was put in and the module will need reprogrammed to recognize...

While driving my Pontiac grand am the SECURITY light came on and stayed on. What could be wrong ?

Your car does have a factory security system and you may need to make sure your keys are programmed to the car or it may leave you unable to start the car. Have the system scanned with a dealer or...

HORN BLOWING AND LIGHT STAY ON

If you only have the factory anti theft system on your vehicle then you need to remove the key from the ignition system before reconnecting the battery and lock the doors. Reconnect the battery and then unlock the doors with...

Jumping dead car battery but alarms keeps beeping? 2002 Honda Accord

Hello - most modern cars "interpret" a battery swap as a possible theft attempt (i.e. hot wiring). To shut off the alarm each time a battery is replaced (or you jump it off from dead), shut the engine off in...

Why my ford ranger 2.2 xlt auto powertrain alarm appear during cold engine running?

The powertrain light is on for the transmission may be low on oil or there is an issue with the oil that is in the transmission. Check the transmission oil level and see if its full. See what color the...

My alarm keeps going off and car won't start after changing battery, what can be wrong?

Hello, and thank you for writing in. When dealing with alarm and starting issues, you are really dealing with a miscommunication with the alarm system. If you have a spare key, try using it to disarm the system and start...

Alarm is going off. Is there any way to reset/bypass problem?

You will have to open the hood and disconnect the battery (https://www.yourmechanic.com/services/service-battery-cables) terminals to reset the computer. Before hooking up the battery cables, the vehicle will need to be locked as it was before the alarm was tripped. Then the...