Question about 1991 Buick Riviera

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Security system failure

Horn blows and lights blink when the driver door is opened.

Posted by Anonymous on

4 Suggested Answers

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  • 2 Answers

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Posted on Jan 02, 2017

  • 7 Answers

SOURCE: 1998 buick le sabre,3800 v-6,power

same issues wiyh me,hood pin switch is noy properly closed or it needs to be reprogrammed which is easy to do.this will happen every time you change or dissconnect the battery.

Posted on Oct 28, 2009

  • 2 Answers

SOURCE: when the door opens the alarm goes off

i had the same problem. the issue is with the passenger door. lock and unlock with the key. it worked for me.

Posted on Dec 08, 2009

  • 355 Answers

SOURCE: My security system coms on for no apparent reason

The security system (VATS/PassKey) is having problems, it's typical on those cars and it gets worse till the car won't start anymore. You can find a great write-up here: http://newrockies.ca , it was the only thing that saved my Park Avenue with the same system.

Posted on Jun 25, 2010

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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

I have a 1999 ford taurus, i replaced battery, now the horn will not stop blowing. what can i do to stop the horn from blowing


put the key in the drivers door, turn to lock and then unlock to disarm the security system.

Oct 08, 2012 | Cars & Trucks

1 Answer

Horn blows when door is opened


Your security system is being activated is my guess. have the dealer scan the system with a Tech 2 and see if the drivers door anti tamper switch is the problem.

Sep 29, 2012 | 2007 Chevrolet Cobalt Coupe

1 Answer

I have a 98 Nissan altima gxe and my alarm won't honk when I lock the car but the lights go off when I lock it and Wen I take the alarm off no honk or lights go off Wat can I do


holdboth the lock and unlosk buttons on your remote simultaneously for about five seconds until the lights flash and horn chirps.that should do it.if not i believe these models used a separate horn for security system.possibly fuse for this horn is bad or the horn itself is bad.to see if this horn works lower drivers window.stand outside vehicle and lock doors with remote.wait about a minute and reach in window and MANUALLY unlock and open door(do not use power door lock button)this should cause the system to activate...horn should beep and headlamps should flash.if horn beeps try my first suggestion.if it doesnt beep and just the head lamps flash check fuses and horn for security system.

Feb 21, 2011 | 1998 Nissan Altima

1 Answer

When car sits for 3-4 days, battery goes down. Car will not start. Turn switch, sounds like machine gun. Lights ( in and out) blink, horn beeps, pumps make noises, etc. Samde for additional attempts. ...


You either have a battery that is giving out on you or something is draining the battery when it stands for a while. Have the battery tested first . If that checks out ok then you will have to check for the electrical leakage in your system.

Feb 05, 2011 | 2004 Lincoln LS

1 Answer

Changed the battery and now the horn blows and the lights flash, and won't turn over.


There is a wire from the drivers door lock to the security system. Try unlocking the driver's door with your key to see if this will disarm the system.

Sep 12, 2010 | 1991 Acura Legend

1 Answer

Alarm On no remote


yes the door diarm switch is defective in that door you replaced or it doesn't have one.

Jul 14, 2009 | 2000 Subaru Outback

1 Answer

2002 Honda Odyssey security alarm system


Make sure your hood is shut. I just got my 2002 Honda Odyssey back from the dealer today (90,000 mile check-up - I love my van and will drive it until it dies!) and when I went to lock the van with my remote transmitter, the lights didn't flash and the horn didn't sound. I open and closed all the doors and tailgate and I could hear that the doors were locked, but the security system wasn't working and that is why the lights didn't blink or the horn didn't sound. I walked up to the front of the van to check the hood to make sure it was closed (there isn't an indicator light for an open hood, only open doors) and the hood wasn't shut completely. Once I opened the hood and let it drop to securely shut, I hit the door lock button on the remote and everything worked like a charm! Hope this helps others in this predicament.

Sep 12, 2008 | 2002 Honda Odyssey

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