1. Attachments are working again! Check out this thread for more details and to report any other bugs.

Warm up time?

Discussion in 'Gen 3 Prius Fuel Economy' started by ad2001, Sep 23, 2009.

  1. usbseawolf2000

    usbseawolf2000 HSD PhD

    Joined:
    Sep 22, 2004
    14,487
    3,000
    0
    Location:
    Fort Lee, NJ
    Vehicle:
    2012 Prius Plug-in
    Model:
    Plug-in Base
    This approach would be easier on the HV battery, further extending it's life.

    There are times when I do not want to wait. As I take off as soon as the car is ready, I do see ICE powering the wheels according to the MFD. Once moving and the car is rolling without my foot on the accelerator below 7 mph, MFD does indicate ICE is powering the wheels while charging the battery. I acceleration lightly in this warm up mode to give less stress to the HV battery.
     
  2. royrose

    royrose Senior Member

    Joined:
    Mar 21, 2009
    1,389
    951
    4
    Location:
    Foot of Pikes Peak
    Vehicle:
    Other Hybrid
    Model:
    Limited
    Would't it depend on what route you drive? I live at the top of a steep hill. After a brief push to get going, I have my foot lightly on the brake for the first minute or so, so why not be moving during that time?
     
  3. a64pilot

    a64pilot Active Member

    Joined:
    Aug 3, 2008
    771
    62
    0
    Location:
    Albany Ga.
    Vehicle:
    2010 Prius
    Model:
    III
    We know that sometimes the MFD shows you what you expect to see and not what's happening.
    Your not going to kill it if you don't wait or Toyota wouldn't let you drive off.
    There are exceptions to EVERY rule YMMV. Just now we know you don't save gas by driving off immediately, and for me more importantly, I know why.
    Thanks Ken.
     
  4. Hotsauce

    Hotsauce New Member

    Joined:
    Oct 5, 2009
    39
    1
    0
    Location:
    Buffalo
    Vehicle:
    2010 Prius
    Model:
    N/A
    Watching this thread since I live in a cold climate.
     
  5. ken1784

    ken1784 SuperMID designer

    Joined:
    Dec 18, 2003
    2,943
    1,378
    67
    Location:
    Yokohama, JAPAN
    Vehicle:
    2010 Prius
    Model:
    N/A
    You're right!
    Everyone's environment is different.
    My recommendation is for people in general.

    Ken@Japan
     
  6. DaveinOlyWA

    DaveinOlyWA 3rd Time was Solariffic!!

    Joined:
    Apr 13, 2004
    15,140
    611
    0
    Location:
    South Puget Sound, WA
    Vehicle:
    2013 Nissan LEAF
    Model:
    Persona
    occasionally, i will notice, that i take off with 6 bars, and will drop to 5 bars which lends to what Ken said. time is precious, but i will try the warmup option to compare numbers

    had first frost Sunday morning before work, so had to idle a bit simply to be able to scrape ice.
     
  7. spiderman

    spiderman wretched

    Joined:
    Jul 5, 2009
    7,543
    1,558
    0
    Location:
    Alaska
    Vehicle:
    2010 Prius
    Model:
    II
    I think it has a lot to do with each person environment. In my case, I first start out going down hill for about 300 yards and then up hill for about 1/2 mile with speeds around 35mph. I start out with 7 or 8 bars SOC and it remains there during that time, no loss, engine running.
    If I were to have to hit the highway at speeds above 55 right away, I would probably wait for warm up to complete before moving.
     
  8. adrianblack

    adrianblack Member

    Joined:
    Sep 26, 2009
    447
    187
    0
    Location:
    Los Angeles
    Vehicle:
    2010 Prius
    Model:
    III
    I left for the airport yesterday with 6 bars of battery -- 56F outside in LA -- and tried EV mode before the engine came on but it wasn't available. I thought that was supposed to work if you press is quickly enough. I pushing it just a few seconds after turning the car on.