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I put a new battery in my 1999 Camry and the horn keeps beeping. I don't have the keypad with the key just regular key. How can I restart the security system?

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Look under dash if it's an aftermarket alarm look for a small toggle switch and flip this should be your valet switch and if you don't have key pads and no valet switch you could go to and install shop that does alarms to try and have a keypad programmed to that alarm or remove the alarm also try putting key in ignition while horn is going off computer if its a factory alarm should recognize key and this should stop alarm from going off also if it's a factory alarm toyota should be able to get you keypads

Posted on Apr 14, 2015

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1 Answer

When I start the car and put it into drive the horn goes on, when I shut the car off the horn sounds! wont go off until I disconnect the battery


You could pull the horn fuse, that should kill it. The horn fuse is hot all the time. Two possibilities, one is security system, the other is problem with horn switch or wiring in the steering column.
The horn switch is ground for the control side of horn relay. Part of key fob security horn beep, is also a ground wire. In the diagram, you can see the two wires, The one for fob, take it loose, see if that stops the horn sounding by accident. Don't leave any live wires hanging loose, use electrical tape or something to insulate. I don't know if taking that one wire loose will cause any problems or not, I guess you can try it and see?
Of course, you still want the horn switch to work normally.
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May 14, 2016 | 1999 Oldsmobile Cutlass

1 Answer

B4000 problems 1999


The security system thinks that something is wrong and is sounding the horn and flashing the lights. This is because the system had no battery power. Unlock all the doors, put key in ignition turn all way except to start the engine. remove key from ignition and lock all doors, This may reset the security system.

Dec 15, 2013 | Cars & Trucks

2 Answers

Toyota Camry 1999 model horn does not work


new horn or relay gone most likely but make sure it is grounded good or wont work either hook battery booster cable from negative battery terminal to horn bracket if it works then clean mounting area under horn ground is bad

Dec 11, 2012 | 1998 Toyota Camry

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

Horn keeps beeping, flashing red light in dash. Would like to disconnect horn fuse in fuse box but do not know which one it is?


Thanks for choosing FixYa and welcome to the site. You should have black solid fuses on the right hand side of the engine compartment. I believe there is ten. I had the same issue with mine. I believe it is the second or third one down on the right but I am not for sure. Just keep taking them out until the beeping stops. If you take out one and it don't help, put it back and move onto the next one.

Jul 14, 2011 | 1999 Chrysler Sebring

1 Answer

My car has been sitting for a long time so I put the battery on a charger, then the horn starting beeping...I put the key in the ignition, the beeping stopped...now even with the charger on...


could be a bit of both ,security immobilisor can be damaged with brown out when the batteries dies so replace battery with a new one and if it still will not start then call tow truck and have it taken to dealer fro re-programming

May 01, 2011 | 1994 Lexus GS 300

1 Answer

I have had a flat battery in my Toyota Camry and I have had to break into the car to pop the bonnet and charge the battery. The battery seems fine but whenever I put the key in the ignition, the security...


Seems you have activated your alarm.Try closing the door and locking it with your key and then unlock it ,it should reset.

don,t forget to rate..

Sep 25, 2010 | 2008 Toyota Camry

2 Answers

98 celica battery went dead replaced now it want crank


Try this: Unhook the battery. Reconnect the battery. When the horn starts to beep, cycle the ignition key in the ignition on-off 5 times. This resets the alarm; the cycling of the key. Please advise me if this works for you.

Oct 07, 2008 | 1998 Toyota Celica

2 Answers

1999 toyota camry horn beeping when i replace the battery


I put a new started in my 99 camry the alarm went off and I didn't know how to stop it ,now my car doesn't have any power the battery is new but its not giving my car any power.Help...

Aug 20, 2008 | 1999 Toyota Camry Solara

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