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Thread: Key FOB question

  1. #1
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    Default Key FOB question

    The dealer could not answer my question. I am paranoid about being somewhere far away and losing my FOB. All my other cars have a hide-a-key. Now can I get a physical key copy of the one in the FOB and use it to start the car? or do I have to have an entire FOB? I know about the hidden key slot in the dash and the one in the driver door and I know I can have on-star open my doors. I want to know if I can hide a copy of the metal key portion of the FOB in or outside of the car and use it to drive the car.

    Thanks to anyone with this knowledge

    Jon

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  3. #3
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    Quote Originally Posted by jljeeper View Post
    The dealer could not answer my question. I am paranoid about being somewhere far away and losing my FOB. All my other cars have a hide-a-key. Now can I get a physical key copy of the one in the FOB and use it to start the car? or do I have to have an entire FOB? I know about the hidden key slot in the dash and the one in the driver door and I know I can have on-star open my doors. I want to know if I can hide a copy of the metal key portion of the FOB in or outside of the car and use it to drive the car.

    Thanks to anyone with this knowledge

    Jon
    Most modern cars won't start without the correct immobilizer chip from an original key. It's an anti-theft measure. You can't just copy the blade of the key and have it work. Original, programmed key, or nothing. Just keep track of it along with your house key, and don't worry about hiding one on the car.

    Oh, and it's 'fob', not FOB. No need to shout it, and it's not an acronym. A 'key fob' is a medallion used to identify a key ring. The word has taken on a new meaning with respect to cars since the fob became integrated with the key in many cars, and now the fob pretty much *is* the key.

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  5. #4
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    Why didn't I think of that? I guess the other question the dealer couldn't answer is...does the bare key have a chip in it?
    At any rate I can hide a battery-less FOB somewhere in the car as a backup and either have a hide-a-key or use On-Star to open my door.

    Thanks
    Jon

  6. #5
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    Quote Originally Posted by jljeeper View Post
    Why didn't I think of that? I guess the other question the dealer couldn't answer is...does the bare key have a chip in it?
    At any rate I can hide a battery-less FOB somewhere in the car as a backup and either have a hide-a-key or use On-Star to open my door.

    Thanks
    Jon
    There is no chip in the metal key. No need for it. The only thing the metal key will do is open the driver's door. There is no ignition switch that accepts the metal key, you MUST have the fob in order to start the car. FYI, the fob does not have to have a battery in it. Onstar can unlock the doors, but you must have a fob to start the car and drive it.
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  7. #6
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    Quote Originally Posted by TSquare View Post
    There is no chip in the metal key. No need for it. The only thing the metal key will do is open the driver's door. There is no ignition switch that accepts the metal key, you MUST have the fob in order to start the car. FYI, the fob does not have to have a battery in it. Onstar can unlock the doors, but you must have a fob to start the car and drive it.
    There is a hidden key slot under the dash tray that the manual says you need to put your key in if the battery in the FOB dies. Also for programming other FOBs. A wondered if this was activated by the key itself and not the FOB or it needed to be there for the chip to read - are you familiar with the key slot inside?

  8. #7
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    Quote Originally Posted by jljeeper View Post
    There is a hidden key slot under the dash tray that the manual says you need to put your key in if the battery in the FOB dies. Also for programming other FOBs. A wondered if this was activated by the key itself and not the FOB or it needed to be there for the chip to read - are you familiar with the key slot inside?
    The "key slot" under the dash tray is just a hole for the metal key so that the fob is positioned perfectly for the receiver. It needs to be very close so that the receiver can read it even if the battery in the fob is dead, or missing.
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  9. #8
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    Quote Originally Posted by JetPIC View Post
    Most modern cars won't start without the correct immobilizer chip from an original key. It's an anti-theft measure. You can't just copy the blade of the key and have it work. Original, programmed key, or nothing. Just keep track of it along with your house key, and don't worry about hiding one on the car.

    Oh, and it's 'fob', not FOB. No need to shout it, and it's not an acronym. A 'key fob' is a medallion used to identify a key ring. The word has taken on a new meaning with respect to cars since the fob became integrated with the key in many cars, and now the fob pretty much *is* the key.
    OK please clarify (immobilizer chip) can I purchase a key with this chip much like other chipped keys? The reason I'm asking is because the manual says you can place the blade of the key fob into a hole on the dash that will allow you to start the car if the fob battery dies. I find in life if you don't prepare for disaster it will happen and in life "stuff" happens. I've only lost keys twice in my 53 years of life but I'm usually prepared if I do. I already know I have the option of keeping track of my keys and not worrying about it

  10. #9
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    Quote Originally Posted by TSquare View Post
    The "key slot" under the dash tray is just a hole for the metal key so that the fob is positioned perfectly for the receiver. It needs to be very close so that the receiver can read it even if the battery in the fob is dead, or missing.
    Ok I get it - that make sense

    Thank you

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  12. #10
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    1. you need the fob to start the car BUT you do NOT need a battery in the fob to start the car if you put it in the tray-slot.

    2. This way you should not get the fob detected message if you hide a key.

    I have tried 1 but not 2.
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