It’s hot in CA why does fan take forever to kick on after starting car?

Discussion in 'Gen 4 Prius Technical Discussion' started by 1stPriusLA, Jun 4, 2018.

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  1. Merkey

    Merkey Active Member

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    Thanks
     
    #21 Merkey, Jun 5, 2018
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  2. MelonPrius

    MelonPrius Senior Member

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    "It's hot". I'd love to swap temps with you! Looks like you'll have a high of around 72 degrees in LA today compared to 101 degrees in Las Vegas.
     
    #22 MelonPrius, Jun 5, 2018
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  3. sam spade 2

    sam spade 2 Senior Member

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    Is there a setting for "rear camera delay" ?
    If you stop smoking your tires when backing up, maybe the camera could keep up. :ROFLMAO:
     
    #23 sam spade 2, Jun 5, 2018
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  4. sam spade 2

    sam spade 2 Senior Member

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    A whole 10 seconds ?
    Please make the pain go away. :rolleyes:
     
    #24 sam spade 2, Jun 5, 2018
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  5. Diemaster

    Diemaster Active Member

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    It's a Prius. The only way the tires will smoke is if you get a lit cigarette stuck in the treads.:LOL:
     
    #25 Diemaster, Jun 5, 2018
  6. Mendel Leisk

    Mendel Leisk Senior Member

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    Yeah, close to ten sconds, interminable, lol. Anyway, from the owner's manual:

    upload_2018-6-5_11-47-34.png
     
    #26 Mendel Leisk, Jun 5, 2018
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  7. jerrymildred

    jerrymildred Senior Member

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    As @alanclarkeau mentioned earlier, home air conditioners do the same thing. The fan doesn't start till there's something cold to blow through it. Also, on the home a/c, the fan continues to run after the compressor stops in order to avoid stranding cold air in the ducts and wasting it. Probably unnecessary in a car since the ducts are so short.
     
    #27 jerrymildred, Jun 5, 2018
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  8. sam spade 2

    sam spade 2 Senior Member

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    There is a similar reason.
    When the A/C shuts off, the evaporator is still wet and somewhat cold. After it sits a while, it is then wet and warm or HOT.
    If you blast air through it immediately upon starting, you get a BLAST of hot damp air. Not what you want.
    Patience is a virtue.
     
    #28 sam spade 2, Jun 5, 2018
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  9. bisco

    bisco cookie crumbler

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    i open the doors in that kind of heat and stand outside waiting for some to escape. so 10 seconds wouldn't bother me.
     
    #29 bisco, Jun 5, 2018
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  10. alanclarkeau

    alanclarkeau Senior Member

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    If it's hot - I've remotely opened the windows anyway.
     
    #30 alanclarkeau, Jun 5, 2018
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  11. kithmo

    kithmo Couch Potato

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    Mine does, it takes about 10 seconds for the Nav screen (aka reversing camera screen) to boot up, by that time I've down to the end of my drive using the mirrors.
     
    #31 kithmo, Jun 6, 2018
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  12. kithmo

    kithmo Couch Potato

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    Don't you just love the global opening (and closing on UK models) on windows
     
    #32 kithmo, Jun 6, 2018
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  13. kithmo

    kithmo Couch Potato

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    or turn off the traction control (Gen 4)
     
    #33 kithmo, Jun 6, 2018
  14. alanclarkeau

    alanclarkeau Senior Member

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    Mine close too!!
     
    #34 alanclarkeau, Jun 6, 2018
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  15. RCO

    RCO Senior Member

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    Good E.S.P. from afar, I guess (y)
     
    #35 RCO, Jun 7, 2018
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  16. RCO

    RCO Senior Member

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    Never got around to setting mine up. Is it via the upper MID, or an app?
     
    #36 RCO, Jun 7, 2018
  17. kithmo

    kithmo Couch Potato

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    Via Carista app (y)
     
    #37 kithmo, Jun 7, 2018
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  18. RCO

    RCO Senior Member

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    Ah, so that's why I haven't done it. Mine is a lease car and I'm a cheapskate!
     
    #38 RCO, Jun 7, 2018
  19. alanclarkeau

    alanclarkeau Senior Member

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    ask your dealer - who should have done it before they gave you the car!!!!
     
    #39 alanclarkeau, Jun 7, 2018
  20. RCO

    RCO Senior Member

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    He's gone away, fired? Deceased? Posted? Exterminated? Otherwise disposed of.....?
    Anyway thanks, Alan.
     
    #40 RCO, Jun 8, 2018
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