2009 STS makes beeping sound when put into park
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  • 1 Post By marcospedraza
Cadillac STS Forum - 2005 through 2012 Discussion, 2009 STS makes beeping sound when put into park in Past Cadillac Vehicle Discussion; My daughter has a 2009 STS that has developed a problem. Whenever she puts the car in Park, it starts ...
  1. #1
    flosaratoga is offline Cadillac Owners Member
    Automobile(s): XTS
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    2009 STS makes beeping sound when put into park

    My daughter has a 2009 STS that has developed a problem. Whenever she puts the car in Park, it starts beeping and telling her to put it in Park. It's as if the car doesn't know that it is in Park. She has had this problem for quite awhile. Has anyone else experienced this? If so, did you discover how to fix it? Thanks for any advice you can give me.
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  3. #2
    dkozloski's Avatar
    dkozloski is offline Cadillac Owners 10000+ Posts
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    Re: 2009 STS makes beeping sound when put into park

    It's a bad or misadjusted micro-switch in the shifter; a common problem. It may be cleared by adjusting the switch or else you'll have to replace the whole shifter. Have your wallet handy.
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  4. #3
    marcospedraza is offline Cadillac Owners Member
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    Re: 2009 STS makes beeping sound when put into park

    I have taken apart the shifter and replace the micro switch only.you can buy them for less than $5
    https://www.ebay.com/itm/10Pcs-V-153...IAAOSw1V9cdjce
    Check radio shack ,is some like this the one you need: https://www.radioshack.com/products/...without-roller
    Glenn06STS likes this.
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  5. #4
    hiltonny is offline Cadillac Owners Fanatic
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    Re: 2009 STS makes beeping sound when put into park

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