Question about Hummer H3

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AS SOON AS I TURN THE KEY ON MY 2007 H3 THE HORN BEEPS TWICE. ANY IDEA WHY

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  • Hummer Master
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With alarms, that indication tells you that the alarm was tripped. Often you need to disarm two times to cancel the warning.

Posted on May 23, 2011

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Posted on Jan 02, 2017

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1 Answer

How do I remove auto door locks


  1. Put the key in the ignition and turn it to on.
  2. Press the Unlock button three times.
  3. Turn the ignition off.
  4. Press the Unlock button three more times.
  5. Turn the ignition back to on.
  6. The horn should beep once. This tells you that you're now in programming mode.
  7. Press the Unlock button, then press Lock again. The horn will beep once to tell you that Auto Lock was deactivated. It will beep twice if you're reactivating the system
There are many ways, I'm not sure which one will work on your car. I answered the two ways. I hope it works.

1. Open the driver's door and put the shifter in Park
2. Turn the ignition to On (II).
3. Press and hold the unlock side of the master lock switch for five seconds until you hear two clicks.
4. Within five seconds, turn the ignition to the Lock position.


Mar 24, 2017 | Cars & Trucks

1 Answer

I have a 2002 Lexis RX 300, every time I turn the key on to start the car the alarm start beeping. Is there a way to stop this. It beeps even turning the car off.


So I talked to someone who suggested my battery might be dead and that I try charging it, but as "Bullmtnbiker" mentions, the horn blasted as soon as I connected the negative terminal of the battery to charge. Finally, I just tried connecting it and running into the vehicle to start it, and that stopped the horn blasts immediately and it started and ran fine. I just hooked up to a trickle charge overnight to get the wounded battery back in shape.

Sep 29, 2016 | 2002 Lexus RX 300

1 Answer

Hummer H3 Antitheft. How do I reset it


This may be related to the antitheft system The system is known for turning off the starter and/or injectors when it fails. Is there a light on the dash that says SECURITY? This is a common problem worth looking into. http://www.diy-gm-security.com/

May 06, 2015 | 2006 Hummer H3

2 Answers

Horn Honks when I turn the key and van does not start


sounds like the anti theft is malfunctioning.does the horn beep once or keep beeping

Jan 04, 2013 | 2007 Chevrolet Uplander LS Minivan

1 Answer

How do I reprogram the keyless remote?


put key in ignition turn key on and off several times till horn either beeps lights flash or doors lock automatically then stop take key out and try unlocking and locking the car might take one or 2 times but should work

Dec 02, 2012 | 2007 Nissan Altima

1 Answer

Reset tire monitor on 2009 escalade


Hopefully you still have you manual. I will tell you how to reset the HHR, I found it in my manual. Turn the key to on, press lock and unlock at the same time on your key fob. The horn will beep twice telling you that you are in program mode. The left front turn signal light will come on, press the valve core letting air out of the left front tire. The horn will beep when left front is programmed. Then the right front turn signal will come on, let air out till horn beeps. Then right rear, same procedure then left rear same procedure. When that is done horn will beep twice again saying tire program is complete. Turn key off, make sure you air all tires back up.

Jan 03, 2012 | Cars & Trucks

2 Answers

Hi, I have a check front tire pressure warning on my 2009 saturn vue hybrid I filled up the tire it's not low at all, how do I get rid of the indicator warning? Thanks Amanda


The TPMS light (Tire Pressure Monitoring System) for that vehicle should function as follows.

If the light is on and steady, it means that the pressure in one or more of the tires is too low, and if the light is flashing, then it indicates that one or more of the tires are over-inflated.

1. Turn the ignition key to the "On" or "Run" position but do not start the vehicle. (If the vehicle has an electronic keyless ignition then place the ignition switch in the "ACCY" position)

2. Press the "Lock" and "Unlock" buttons at the same time on the vehicles remote key fob, and keep holding the two buttons down until you hear the horn beep, and usually this takes around five seconds. The horn beep will indicate that the learn cycle has begun.

3. Re-learn the TPMS system. Deflate or inflate air into the driver-side front tire for approximately 8 to 10 seconds and then listen for the horn to beep one time. (the horn might beep before the 8 to 10 second re-learn, or it could even take as long as 30 seconds after)

4. Repeat steps 2 and 3 for the remaining three tires. Also, the remaining three tires must be checked in the exact following order, the passenger-side front tire, the passenger-side rear tire and finally the driver-side rear tire. After the final TPMS sensor has re-learned then the horn will beep twice.

5. Listen for the horn to beep twice. When the horn does beep twice, it wikll be the indicator that the TPMS system has re-learned and reset.

6. Turn the ignition switch to the "Off" position, and then be certain that all four tires have the correct tire pressure as recommended on the drivers door, and the next time that the ignition is turned on, the tire pressure light should be reset.

Let me know if you require any further assistance.

Sep 23, 2010 | 2009 Saturn VUE

1 Answer

When I lock my key sedona 2005EX, with remote, dont hear the beep


Press the lock button once to lock then press and hold to beep the horn. Kind of have to press twice.

Mar 07, 2010 | 2003 Kia Sedona

2 Answers

My horn is not working hummer h3 the fues is good can i have a bad horn


where is the hummer h3 horn located as i want to change it to a smaller airhorn? thx

Sep 18, 2009 | 2007 Hummer H2 SUT

2 Answers

Horn beeps as if in an alarm mode


My 4Runner did the same thing. What I did was just put a new battery in hook it up and let it honk. Put the key in the ignition and start it and it should stop. It is in alarm mode.

Jun 25, 2009 | 1996 Volkswagen Jetta

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