Question about 1999 Pontiac Grand Prix

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Security system wont let car start

What can i do to disconect the security system on my 1999 pontiac grand prix gt so it will start?

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  • cody_rgrs Jan 02, 2009

    thak for d help

  • cody_rgrs Jan 02, 2009

    wat is a key fob????????????????????????????????

  • nana May 03, 2012

    99 pontiac wont start everything else work as far as lights and radio also windows and lights, but as my car door is open my security light keeps blinking and i know its not the starter...car anybody give me tips i will appreciate it thankyoi

  • nana May 03, 2012

    if this this dont work what eles can be the problem

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It sounds like the security system has been activated so you need to roll down the drivers side window and close the door. Reach in and turn on the key to the Run position and leave in on for 10 minutes. After 10 minutes is up, turn off the key and then try to start the car. The car should start. If it doesn't start do the process over again. This usually fixes the problem. There is no way to turn off the security system unless you have a key fob. If you have the key fob, just unlock the car and that will disable the security system. I hope this has been helpful.

Posted on Jan 02, 2009

  • Joshua  Weaver
    Joshua Weaver Jan 02, 2009

    A key fob is the lock and unlock clicker that comes with the key. Most GM cars come with one and it is what is used to lock and unlock the car.

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Mar 09, 2010 | 1999 Pontiac Grand Prix

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Its possible. But I would suspect that you would see the security light flashing on the dash if that were the case. Is this the GT or GTP?

There is also an online Grand Prix community that you can visit that may have more answers for you. Go to www.grandprixforums.net, sign up and post up there what you are having trouble with. Its a nice sized community of people that should be able to help out.

Jan 02, 2009 | 1999 Pontiac Grand Prix

1 Answer

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Try this. Roll down the drivers side window. Close the door and turn the key to the On position. Don't try to crank the car right now. Leave the key on for ten minutes. After ten minutes turn the key off then try to start the car. This procedure tells the computer that it is not being stolen and it will reset the security system. This should hopefully let your car start. I hope this is helpful.

Jan 02, 2009 | 1999 Pontiac Grand Prix

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if it is one with a chip in the key the best thing to do is go to the dealer and get another one made some of the better lock smiths can do it but the dealer can make one by the vin#. if it is not turning over you can put a push button on it and that will let the starter turn and allow the engine to start.

Jan 02, 2009 | 1999 Pontiac Grand Prix

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The security system made my 1999 grandprix gt not start


There is no way to disconnect the security system on your car but there is a way to reset it. Roll down the drivers side window and close the door. (Stay out of the car, this is why you roll down the window) Reach in and turn the key to the On position. Don't try to start it. Leave the key on for ten minutes. After ten minutes, reach in and turn the key off. Then try to start the car. This usually will reset the security system. I hope this is helpful.

Jan 02, 2009 | 1999 Pontiac Grand Prix

1 Answer

Hey i have a 1999 grand prix the security system wont let me start the car. i was wondering how to un hook the security system so the car can be used agin?


There is no way to disconnect the security system on your car but there is a way to reset it. Roll down the drivers side window and close the door. (Stay out of the car, this is why you roll down the window) Reach in and turn the key to the On position. Don't try to start it. Leave the key on for ten minutes. After ten minutes, reach in and turn the key off. Then try to start the car. This usually will reset the security system. I hope this is helpful.

Jan 01, 2009 | 1999 Pontiac Grand Prix

1 Answer

Securitysystemwont letme start my car.how can i disconect it ?


Im not as familiar with the security system on the Grand Prix as I am with other parts. I would first start with disconnecting the battery for a few minutes and see if that makes any difference. If it doesnt, there is an online Grand Prix community that you can visit at www.grandprixforums.net. Just sign up and post up your problem there. There are many great and knowledgeable people on that forum and you should be able to find a solution there if disconnecting the battery does not work.

Jan 01, 2009 | 1999 Pontiac Grand Prix

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