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Thread: 2007 sts 4 KEY FOB not working all the time.

  1. #1
    viccampjr's Avatar
    viccampjr is offline Cadillac Owners Member
    Automobile(s): 2007 STS
    Join Date
    Jul 2013
    Location
    Clifton, NJ
    Posts
    18

    2007 sts 4 KEY FOB not working all the time.

    I have the car over 2 months and only came with the #1 key fob and this key fob has worked fine since then.

    Yesterday, it started not working everytime i tried to use the fob.The door locks and even starting the car doesn't happen everytime i try to use this key fob.The DIC had a CAN NOT DETECT KEY FOB but after a couple of attemps it did start up.

    I bought a new correct size battery yesterday and even with the new battery the key fob i still have the same problem as above.

    Is there something else i can try to correct this problem before going to the dealership?


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  3. #2
    Join Date
    Mar 2010
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    Detroit, USA
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    Re: 2007 sts 4 KEY FOB not working all the time.

    Quote Originally Posted by viccampjr View Post
    I have the car over 2 months and only came with the #1 key fob and this key fob has worked fine since then.

    Yesterday, it started not working everytime i tried to use the fob.The door locks and even starting the car doesn't happen everytime i try to use this key fob.The DIC had a CAN NOT DETECT KEY FOB but after a couple of attemps it did start up.

    I bought a new correct size battery yesterday and even with the new battery the key fob i still have the same problem as above.

    Is there something else i can try to correct this problem before going to the dealership?
    Hello viccampjr,

    I am sorry to hear that you are experiencing this with your key fobs for your STS. I do see that you are reaching out to the community for ideas before you take your vehicle to the dealership. Please keep us updated on your dealership visit and if you would like any assistance in working with the dealership, you can private message us. Thank you very much for your time and I will be looking for your future updates.

    Gregory W.
    Cadillac Customer Care

  4. #3
    reneeg is offline Cadillac Owners Member
    Automobile(s): 97 Deville. 96 sts. 99 sts. 01 sls. 05 sts
    Join Date
    Nov 2012
    Location
    Louisiana
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    73
    Try opening it and carefully try to bend up the little prongs. Possibly it's not making a connection. I had this problem. Had to put a little piece if paper under the battery so it makes a connection. Mine works fine now. Hope this helps!

  5. #4
    EChas3's Avatar
    EChas3 is offline Cadillac Owners Master
    Automobile(s): 2006 STS4 V8 1SG & 2007 STS V8 1SE
    Join Date
    Jun 2008
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    Cedarburg, WI
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    59
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    8,178

    Re: 2007 sts 4 KEY FOB not working all the time.

    Have the car's battery load-tested. Is anything else in the same pocket as the fob?

    If you don't have a physical key, get one from the dealer or a locksmith ASAP. You should also get a second fob and match it to the car, it will help diagnose your issue but without a real key, you are taking a huge risk.

  6. #5
    Guy.Seminerio is offline Cadillac Owners Connoisseur
    Automobile(s): '79 coupe deville, '04 Deville DTS White Lightning
    Join Date
    Feb 2013
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    Whitestone, NY
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    Re: 2007 sts 4 KEY FOB not working all the time.

    One time recently I had my iPhone 5 and my fob in the same pocket and the car wouldn't open up. And that was just after reading about that on this forum. Took the phone out of my pocket and I was good.

  7. #6
    viccampjr's Avatar
    viccampjr is offline Cadillac Owners Member
    Automobile(s): 2007 STS
    Join Date
    Jul 2013
    Location
    Clifton, NJ
    Posts
    18

    Re: 2007 sts 4 KEY FOB not working all the time.

    I went to Brogan Cadillac Dealership this morning and they said i need a new Key Fob.
    Since i have the GM Major Guard warrenty it wil be free of charge to replace.
    Thanks all for the help.


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