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  1. #1

    Default 09 LT Extended Cab Vent Question

    I bought this truck a couple of months ago from a local dealer. Looked in the owners manual but couldn't find why my truck defaults to outside air. Would like it stay on recirculate or wherever I had it last. Doesn't matter if the AC is on or off. Whenever I start the truck or turn the fan to off, it goes from recirculate to outside air. Am I missing something or is this normal? Other than that everything works as it should.


  2. #2


    I would be happy to look into this for you. What vehicle model do you own?

    Tricia, GM Customer Service.

  3. #3


    Thank you it is a 2009 Chevy Silverado LT Extended Cab
    '09 3.5L Extended Cab Silverado LT 1500
    First Upgrade: Westin Platinum Polished Oval Step Bars

  4. #4


    Being that you checked the owner's manual and that this happens regardless if you are using the AC, I would have to recommend that you contact your local dealer for more assistance. Please feel free to keep me posted and contact me privately if you have further questions. Thank you.

    Tricia, GM Customer Service.

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