Duplicate Key programing (Not the Remote)

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Thread: Duplicate Key programing (Not the Remote)

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    Walking
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    Duplicate Key programing (Not the Remote)

    I have a 2007 GMC YUKON XL, with OnStar Service. I NOW have ONE Remote and One Original Transponder key.........I have misplaced my 2nd set of keys!!!....... I am going to buy a DUPLICATE Transponder Key from my local Lock Smith, who will cut it to match the origial one. I don't need another (2nd) remote---- I think I can get along with just one. He has the blank Transponder key in stock. "At age 77, my daughter says I'm allowed to screw-up once in a while." HaHA.

    Neither he nor I know how to "program" this new duplicate key.

    Can someone please advise me what has to be done to be able to use this 2nd (duplicate) key.

    This lock smith will do it for $31.00 the local dealer wants twice that amount.

    Thanks for your help.

    Edit: The $31.00 is for the key, cutting it and programing it.
    Last edited by Montana Griz; 03-19-2009 at 07:44 PM. Reason: clarification:

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    3.6 Liter SIDI V6 johnnyl321's Avatar
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    Re: Duplicate Key programing (Not the Remote)

    I think you just take your original key, put it in the ignition, turn it to the ON position ( but do NOT start the vehicle), turn back the key and remove....now place in your newly cut key and do the same. If that doesn't work, let me know and I'll check with the techs here.

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    Re: Duplicate Key programing (Not the Remote)

    Read your vehicle's owner's manual for the correct procedure for programing the new key.

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    Re: Duplicate Key programing (Not the Remote)

    Quote Originally Posted by 1999 White C5 Coupe View Post
    Read your vehicle's owner's manual for the correct procedure for programing the new key.
    Yes, I thought so too.....they do give instructions on How to Program a duplicate Remote Key Fob, but not how to do a New Key. Thanks anyway.

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    2.8 Liter Turbocharged V6 73ChevelleSS's Avatar
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    Re: Duplicate Key programing (Not the Remote)

    Quote Originally Posted by johnnyl321 View Post
    I think you just take your original key, put it in the ignition, turn it to the ON position ( but do NOT start the vehicle), turn back the key and remove....now place in your newly cut key and do the same. If that doesn't work, let me know and I'll check with the techs here.
    This is exactly how you do it.
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    Re: Duplicate Key programing (Not the Remote)

    Not that this would make any difference but on the Jeeps you need both keys to program. You put 1 key in, turn to ACC, remove, put new key in turn to ACC, remove, put 2nd original key in and start car and the program is complete.

    Just wanted to point that out in case using 1 key doesnt work. If you only have 1 with a jeep you need to go to the dealer.
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    Re: Duplicate Key programing (Not the Remote)

    Quote Originally Posted by 73ChevelleSS View Post
    This is exactly how you do it.
    Thanks to 73 ChevelleSS and johnnyl321 for the information. I really do appreciate it. I'm sure glad I found this forum. You're very kind. Griz


    EDIT: Thanks gooochman, I'll make a note of that.
    Last edited by Montana Griz; 03-19-2009 at 08:19 PM. Reason: just noticed new post.

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