Window Auto Up
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  • 2 Post By Kingoftypos
Cadillac CTS First Generation Forum - 2003 - 2007 Discussion, Window Auto Up in Cadillac CTS Coupe, Sport Sedan and Sport Wagon Forums; Alright, just curious as if this happens to everyone else to, or if there's something I need to do to ...
  1. #1
    Tlorenzen is offline Cadillac Owners Connoisseur
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    Window Auto Up

    Alright, just curious as if this happens to everyone else to, or if there's something I need to do to fix.

    If I roll my front windows up on "auto up" and turn off my car while doing so, sometimes, not always, they decide to switch directions and start rolling back down haha. Just wondering if this happens to everyone or just me.

    I was thinking maybe just turning off the car switches the polarization quickly is the cause, but I honestly don't know haha.

    - Travis

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  3. #2
    =Javi='s Avatar
    =Javi= is offline Cadillac Owners Fanatic
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    Re: Window Auto Up

    it happens to me too sometimes

  4. #3
    Kingoftypos is offline Cadillac Owners Master
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    It's perfectly fine. Basically it thinks that there is an object in the way, so it enables the safety feature of it auto-backing.

    How that feature works, it senses the current flow on the motor. When an object gets in the way, the motor will draw more amps than its "normal" usage.

    When the engine is on, the voltage for the entire car is around 14 volts. Therefore in theory the window motor will use 2.0 amps. So when you turn off your car, the voltage will drop to what the battery rests at. Which should be about 12 volts. When that happens, the amperage for the window motor goes up. Lets say from 2.0 to 2.5amps. At that moment, the auto-back engages the safety feature.

    KOT
    neurotictim and neurotictim like this.

  5. #4
    Tlorenzen is offline Cadillac Owners Connoisseur
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    Re: Window Auto Up

    Ahh, makes sense. I didn't figure anything was wrong, I was just curious as to why lol. It's been doing this more and more, but my battery is getting worse so that's probably why it happens so often now. Thanks KOT

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