Question about 1997 Buick LeSabre

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Alarm system malfunction?

Car can be sitting all day with Alarm System activated, out of the blue alarm will sound complete with lights and horn.

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Hi from uk as previous reply has said it may be your battery? if your alarm incorporates voltage drop sensing ? any drop in batteries voltage will activate alarm ie if door /boot is opened the interior light/s will come on giving signal to alarm of sudden drop in voltage however if battery is old ? it may be deteriating ? a discharge test at a motor store /garage will confirm if this is fault ? and would be suspect if this fault has occured suddenly having no probs prior ? hope this helps ?

Posted on Dec 12, 2008

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Is your battery getting weak by any chance? May be time to have it load tested.Good place to start.

Posted on Dec 12, 2008

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SOURCE: Alarm system sounds off for no reason ('97 Lesabre Limited)

I had the same problem. The alarm system on my 1997 Le Sabre self-actuates. Luckily, it went off once when I popped the trunk. I went to Auto Zone and bought a generic trunk replacement lock. I noticed the original lock had a funky push-pull type of switch used to activate the alarm. This switch was likely hair-line on/off and when the temperature changed, it activated.

I went ahead and replaced the lock without the switch, but you can try simply unplugging the switch through the hole in the metal behind the lock to see if that might stop the alarm from arming itself (or cut the wire).

Good luck, it's a "hairy" problem.

Posted on Jun 14, 2009

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Alarm at my house randomly goes off , it says bell tamp ,it is a pr5208 system , is there any trouble shooting points you could give me please


Do not know that system, but normally the bell is the outside horn or bell that sounds when the alarm is activated. Some systems have a tamper switch in the mounting box so if someone attempts to remove the horn while the system is set, the alarm sounds.

Feb 26, 2015 | Cars & Trucks

Tip

How to set & cancel theft deterrent system or how to set & cancel security...


Theft deterrent system (on some models)

Theft deterrent system is designed to deter vehicle theft. The system flashes the turn signal lights and turns on the interior light or the signal lights only (depending on the model), and sounds security horn and vehicle horn when it detects abnormalities such as follows:

• Any door or hood is forcibly opened.
• The batter terminal is disconnected and then reconnected
• The system control is disconnected and then reconnected.
• Abnormal impact is detected when the impact sensor function is on.

The system flashes the turn signal lights and turns the interior light or the signal lights only (depending on the model), and sounds security horn and vehicle horn if someone attempts to damage or break into your car.

Setting the system

You can set the system with or without the impact sensor function. For details, see "Canceling the impact sensor" below.

1. Turn the ignition key to "LOCK" and remove it.
2. Have all passengers get out of the vehicle
3. Push the lock (set) switch on the wireless remote control key once. At this time, the turn signal lights flashes once and the security indicator light comes on.

The system is set after 30 seconds. At this time, the security indicator light start flashing slowly.

Once the system is set, you cannot start the engine until you cancel the system.

The system will not be set in the following cases.

• When any of the door is open; security horn sounds for 1 second, close the door and set the system again.
• When the hood is open; close the hood securely.

Canceling the Impact Sensor

The impact sensor can be cancelled to prevent false alarms from being triggered incase of the following conditions:

• When parked in the noisy area
• The vehicle body or glass is subjected to a strong impact from the (such as in highly pressurized car wash).
• When transporting by a car carrier or ferry.

To cancel the impact sensor;

1. Lock the door by pushing the lock (set) switch on the wireless remote control key once, and turn signal light flash once
2. Then push the lock (set) switch twice within 5 seconds. At this time, the turn signal flash 5 times to indicate the impact sensor function is disable.

The impact sensor is deactivated as long as the system remained armed.

Canceling the system

The system will be cancelled by the following two ways:

• Turn the ignition key from "LOCK" to "ON" position.
• Unlock any of the doors by pushing the unlock (cancel) switch

If the turn signal lights flash 3 times, the system has been alarmed. Check to see if there is any abnormality with your vehicle.

If any of the doors is not opened within 30 seconds, all doors will be automatically locked and the system will be set.

When the system is set

Activating the system; When the system detects abnormalities such as follows, it flashes the turn signal lights and turns on the interior light or the turn lights only (depending on the model) and sounds the security horn and vehicle horn of 30 seconds.

• Unlocking any door without using wireless control
• Any door or hood is forcibly opened.
• The battery terminal is disconnected and then reconnected.
• The system control assembly is disconnected and then reconnected
• Abnormal impact is detected when the impact sensor function is on.

Reactivating the alarm;

Once set, the system automatically resets the alarm after the alarm stops.

The alarm will activate again under the same circumstances described in "Activating the system".

Stopping the Alarm

The alarm will be stopped by the following two ways;

• Turn the ignition key from the "LOCK" to "ON" position.
• Unlock any of the doors by pushing the unlock (cancel) switch.

The system can be cancelled by these ways at the same time.

If the battery becomes discharged due to the vehicle being unused, for a long time etc., when the battery is recharged or replaced, the system will activate the alarm. If this happens, immediately unlock any of the doors by pushing the unlock (cancel) switch, and the alarm will stop.

Testing the system

1. Set the system
2. Insert a wireless remote control key into the key hole on the driver's door handle, and unlock the door.
3. Open the door, and an alarm will sound.
4. Stop the alarm by pushing the unlock (cancel) switch.
5. Repeat this operation for the front passenger's door.

Good luck.

on Nov 08, 2010 | Toyota Pickup Cars & Trucks

1 Answer

New battery installed in 2002 mercury cougar, and the alarm goes off and the left and right blinkers flash.


It sounds like you have an aftermarket alarm system that has malfunction. Contact the manufacturer of the alarm for the reset procedure.

Apr 21, 2012 | 2002 Mercury Cougar

1 Answer

The alarm system has activated and we cannot disarm the system via the Remote Key Fob or by key at the doors or hatchback. Tried disconnecting battery same problem. When the doors open the system...


Hi Edward:
In dashboard, your THEFT warning light is blinking? If the answer is yes, your antotheft system is activated and will need restart and resynchonized. This occurs when battery is disconneting or other un-authorized key is used.

Vehicles equipped with Vehicle Theft Security System (VTSS) are protected from vehicle theft andunauthorized entry. VTSS system monitors vehicle doors, hood, liftgate and ignition. If an attempt is made toenter or operate vehicle without proper disarming of system, vehicle horn will sound, headlights, taillights andparking lights will flash, and engine will be prevented from running.

VTSS system arms when ignition is off, vehicle is exited, door is locked using power door locks and door isclosed. Alternatively a remote keyless entry transmitter can be used to arm system. A security light on panelwill flash for 15 seconds to indicate system is arming. At the end of 15 seconds, if no door, hood or tailgate isopened, system is armed.

If alarm is triggered, horn will sound for 3 minutes, and lights will flash for an additional 15 minutes. If hornsounds 3 times when either front door is unlocked, vehicle has been tampered with (tamper alert). If doors arelocked manually or with key, system will not arm (manual override). If an unauthorized entry does occur, VTSSsystem signals Powertrain Control Module (PCM) to prevent vehicle from being driven. PCM reduces injectorpulse width to zero, causing a start and stall condition.

System can be disarmed with the keyless entry transmitter, or by using key to enter vehicle. In both instances, if alarm was activated, vehicle alarm will be terminated. If battery is disconnected and reconnected, alarm will beactivated and it will be necessary to disarm system as indicated.

Please, send us some email account to send you this procedure in PDF format file.

Feb 08, 2012 | 1996 Jeep Grand Cherokee

1 Answer

My 1999 Bonneville will be sitting in a parking lot at work or at home and the alarm will just start going off. No one is around or close by with the keyless remote.\r\nWhat is causing this and can i...


A lot depends on exactly what is happening here. Are we talking about an aftermarket alarm system? If so, I personally would recommend removing the entire system - they are usually more trouble than they are worth! (Just my personal opinion based on 36 years of auto repair experience)

NOTE: The information below applies ONLY to problems with the FACTORY security system.

There is a possibility that the horns going off are not being caused by the alarm system at all. Some GM airbag modules/steering wheel switches have been known to short out intermittently and cause the horns to sound for no apparent reason. If the horn is staying on solid (BEEEEEEEEEEEEEEEEEPPPPP) then it is most likely NOT the alarm system. If it is beeping on and off at regular intervals (BEEP.....BEEP......BEEP...) and the headlamps are flashing, then the security system is probably at fault.

Low battery voltage or a shorted cell in a battery can "trick" your alarm system into "thinking" that someone is trying to steal your car. A THOROUGH battery and charging system check should be performed to find out if this could be the cause.

Also, your factory alarm is a PassKeyII system. This means that if there is a malfunction in the system, there is most likely one or more fault codes stored in the Body Control Module (BCM) that can lead you to the cause of the problem so you can get it fixed.

Please note that MOST generic code readers CANNOT access these type of codes.

Another way to work around this is to "disarm" the system. To do this, unlock the door using the key. Press the "unlock" button on the door. Then press the "unlock" button on the key fob (keyless remote). The system will disarm. When you leave your car, use the KEY, not the remote to lock the car. (If you use the remote, the system will be armed again.)

Aug 13, 2011 | 1999 Pontiac Bonneville

1 Answer

Car alarm indicate led stay on all the time, although the lock and unlock work its a gm vsc3100 alarm system. Any help will be appreciate. Thanks


This is the aftermarket alarm may be time for a new set but before you go that direction the alarm light may have shorted to a power and not affecting the alarm itself by the way does the alarm horn work and is it diconnected because if it is it realy activated. If it isnt and alarm horn works but the light always stays on the the alrm internal relays doesnt switch over. The fix most area will make you get a whole new one

Apr 21, 2011 | Chevrolet S 10 Cars & Trucks

1 Answer

While sitting in my driveway with the doors locked the alarm


you can disconnect the horn by pulling the airbag out of the steering wheel and simply disconnecting the horn wire. be sure to disconnect battery before you touch the inflatable restraint. it may require special tools to remove air bag.

Jun 22, 2009 | 1997 Lincoln Continental

1 Answer

How can I reset my Factory Alarm on my Jeep it wont run


Alarm Module Reset Procedure
NOTE: This information applies to a Vehicle Theft Security System (VTSS) that was armed when the battery was disconnected and reconnected.
When the armed VTSS senses that the battery has been disconnected and reconnected, it enters its power-up mode. In the power-up mode the alarm system remains armed following a battery failure or disconnect. If the VTSS was armed prior to a battery disconnect or failure, the system will have to be actively or passively disarmed following a battery reconnection.
The power-up mode will also apply if the battery goes dead while the system is armed and battery jump-starting is attempted. The engine no-run feature will prevent the engine from starting until the alarm system has been actively or passively disarmed.
Passive disarming of the Vehicle Theft Security System (VTSS) occurs when the vehicle is unlocked using the key to unlock either front door or the lift gate. Active disarming of the VTSS occurs when the vehicle is unlocked by depressing the Unlock button of the Remote Keyless Entry (RKE) transmitter.
Once the alarm has been activated (horn sounding, lights flashing, and the engine no-run feature), either disarming method will deactivate the alarm.
Depressing the Panic button (if equipped) on the RKE transmitter will also disarm the VTSS, but the horn will sound and the lights will flash for about three minutes as part of the Panic feature. The horn and lights can be stopped by pressing any of the RKE transmitter's buttons or driving the vehicle above 15 mph.

Jan 28, 2009 | 1999 Jeep Grand Cherokee

1 Answer

Alarm system sounds off for no reason ('97 Lesabre Limited)


I had the same problem. The alarm system on my 1997 Le Sabre self-actuates. Luckily, it went off once when I popped the trunk. I went to Auto Zone and bought a generic trunk replacement lock. I noticed the original lock had a funky push-pull type of switch used to activate the alarm. This switch was likely hair-line on/off and when the temperature changed, it activated.

I went ahead and replaced the lock without the switch, but you can try simply unplugging the switch through the hole in the metal behind the lock to see if that might stop the alarm from arming itself (or cut the wire).

Good luck, it's a "hairy" problem.

Oct 29, 2008 | 1997 Buick LeSabre

2 Answers

Help! my car is possessed


i may be wrong at this but i think it's your alarm system. headlights, doors and horn all connects to an alarm system (if your alarm system does this) i mean, some alarms, when you unlock or lock your car, the lights turn and horn blows simultaneously with the alarm. if you have an alarm system that seem to malfunction, it may also affect your doors, horn lights etc. have it checked or replaced.

well, as ive said, i may be wrong. =)

Jul 15, 2008 | 1997 Honda Civic

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