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What's your recirc button do?

Discussion in 'Roadster' started by cinergi, Dec 19, 2010.

  1. cinergi

    cinergi Active Member

    Sep 17, 2010
    I'm used to a very noticeable change in air flow sound when hitting the recirc button on any car (especially with the fan turned all the way up). With the Roadster, I hear no change, and the behavior of the heat doesn't seem to change. And given that it resets to off when I stop/start the car, I'm wondering how it's engineered or if I perhaps have a problem that I should have looked at while my car's in NY next week. Can other owners comment on the behavior of their recirc button (changes in sound, resetting after turning the car off)?

  2. Doug_G

    Doug_G Lead Moderator

    Apr 2, 2010
    Ottawa, Canada
    I don't hear anything different, but my windows fog up so I'm sure it's working.
  3. mpt

    mpt Electrics are back

    Oct 15, 2008
    Warren, New Jersey, United States
    I din't hear any difference so asked Tesla: "If the light is on then it's working in recirc ok". I think I concur with Doug_G wrt to steaming up; I'll double-check next time I have two in the car.

    Perhaps the 'loop around' part of the ducting is under the front, out of earshot.

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