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Thread: Dead battery

  1. #1
    427435's Avatar
    427435 is offline Registered Member What I drive: Genesis 5.0 V8 R-Spec Sedan
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    Default Dead battery

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    Went out this afternoon and the battery was dead on my "new" car. It had sat for 3 days without starting. Checked voltage and it was at 5. Recharged it, started the car, and voltage went to 13.8--------so alternator is working.

    I also know the car needed jumping to get it started when it was taken off the transport. Wondering if I have a bad battery.

    Anyone else have a problem with their OEM battery?
    Mark

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  2. #2
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    Default Re: Dead battery

    Try to see if this is the issue: (I seen this answer on several threads concerning the battery so this may be the main culprit.)

    Quote Originally Posted by homeofstone View Post
    Yes, check the post about the missing rubber stop that attaches to the underside of the hood on the drivers side (its small, about 3/8" in diameter) that turns on the alarm and puts the car in sleep mode as it depresses a small switch when hood is closed. If your's is missing then the battery will die again and again, and agian.
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  3. #3
    Southern Boy's Avatar
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  4. #4
    427435's Avatar
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    Default Re: Dead battery

    Thanks for the information on the post/switch under the hood. Mine is there and is aligned OK.

    I got to thinking-------------------is the "sleep" mode activated if the car isn't locked up? My car sits in a garage and I don't lock it.

  5. #5
    homeofstone is online now Registered Member What I drive: Genesis 4.6 V8 Tau Sedan
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    Default Re: Dead battery

    Also check and make sure the negative battery terminal is tight on the battery post and the bolts are tight where it bolts to the body in the spare tire well.
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  6. #6
    427435's Avatar
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    Default Re: Dead battery

    Quote Originally Posted by homeofstone View Post
    Also check and make sure the negative battery terminal is tight on the battery post and the bolts are tight where it bolts to the body in the spare tire well.
    Thanks, but I checked the voltage right at the battery. It was down to 5 volts when I first checked, so the battery was indeed discharged.

  7. #7
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    Default Re: Dead battery

    Mark, do you by chance leave the key fob inside the car in the garage?
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  8. #8
    427435's Avatar
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    Default Re: Dead battery

    Quote Originally Posted by scottdk View Post
    Mark, do you by chance leave the key fob inside the car in the garage?
    No. It stays in my pocket.

  9. #9
    homeofstone is online now Registered Member What I drive: Genesis 4.6 V8 Tau Sedan
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    Default Re: Dead battery

    Were any fo the interior lights (reading/dome) left on?

  10. #10
    Southern Boy's Avatar
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    Default Re: Dead battery

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    Quote Originally Posted by scottdk View Post
    Mark, do you by chance leave the key fob inside the car in the garage?
    Scott, whatís the deal with the key fob being left in the car?
    The only time I remove the fob is when Iím out and leave the car unintended, other than that it always in the car. Never had any problems with discharged batteries or anything else.

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