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Toyota in decline in 2009?

3561 messages,  Last post on Nov 25, 2009 at 9:54 PM

You are in the Automotive News & Views Forum. Your Hosts are steve_ & claires

What is this discussion about? Toyota, Automotive News


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#3174 of 3561
Re: Kill switch [surrfurtom] by kdhspyder
Nov 07, 2009 (11:33 am)
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Replying to: surrfurtom (Nov 07, 2009 11:27 am)

True it should be more intuitive. The START/STOP button is new -relatively - but there are millions of them on the road now and millions of drivers do understand how to use them.
 
But actually there's an easier and safer method. When you kill power to the vhehicle, any vehicle, you lose all power assists. It's not impossible to control it but it's a lot harder to do so.
 
Shifting to Neutral is much better. Doing this disconnects the wheels from the throttle and all power assists are still available.
#3175 of 3561
Re: I wonder... [kdhspyder] by grandtotal
Nov 07, 2009 (2:11 pm)
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Replying to: kdhspyder (Nov 07, 2009 7:52 am)

Your Sequoia, my Prius, your next Tahoe, a Milan, a Ram all of them are going to lose braking capability at WOT when the brakes are applied unless the throttle is cancelled somehow via smart pedals.
 
Your Prius will not lose braking assistance at WOT. The vacuum is provided by an electrically driven pump.
#3176 of 3561
Re: I wonder... [grandtotal] by kdhspyder
Nov 07, 2009 (2:39 pm)
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Replying to: grandtotal (Nov 07, 2009 2:11 pm)

I didn't know that. Good info to add to the file, tks.
#3177 of 3561
Re: I wonder... [kdhspyder] by explorerx4
Nov 07, 2009 (2:52 pm)
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Replying to: kdhspyder (Nov 07, 2009 2:39 pm)

you are so willing to jump on anything someone posts that 'could' support you.
what is the capacity of this electric driven pump?
considering the Prius is all about efficiency, it probably isn't designed for over capacity.
look at it this way, do you think a Prius a/c compressor could work in a Sequoia?
#3178 of 3561
Re: I wonder... [british_rover] by corvette
Nov 07, 2009 (2:52 pm)
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Replying to: british_rover (Nov 07, 2009 10:28 am)

Right, and if you let up on the brake pedal because the car wasn't slowing down fast enough, it would cause even more heat to build up in the system.
#3179 of 3561
Re: I wonder... [grandtotal] by corvette
Nov 07, 2009 (2:55 pm)
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Replying to: grandtotal (Nov 07, 2009 2:11 pm)

Your Prius will not lose braking assistance at WOT. The vacuum is provided by an electrically driven pump.
 
I'm even more surprised the hybrids don't have a smart pedal, since left-foot braking is detrimental to fuel efficiency. I'm guessing that, on a hybrid, the first bit of brake pedal travel only activates the regenerative braking system and not the disc brakes.
#3180 of 3561
Re: I wonder... [explorerx4] by grandtotal
Nov 07, 2009 (2:59 pm)
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Replying to: explorerx4 (Nov 07, 2009 2:52 pm)

do you think a Prius a/c compressor could work in a Sequoia?
 
Would it work? Yes. Would a compressor designed for a midsize car be adequate for a fullsize SUV? No.
 
What's your point?
#3181 of 3561
Re: I wonder... [grandtotal] by explorerx4
Nov 07, 2009 (3:46 pm)
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Replying to: grandtotal (Nov 07, 2009 2:59 pm)

my point is a piece of equipment designed for normal operation, may not work as expected under extreme circumstances.
just because it is electric does not mean much.
#3182 of 3561
Re: I said I'd check the 2010 LaCrosse owner's manual [imidazol97] by 210delray
Nov 07, 2009 (4:18 pm)
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Replying to: imidazol97 (Nov 07, 2009 5:33 am)

No, my company bought a 2010 LaCrosse and I looked at the hard copy. Haven't had a chance to drive it, though.
#3183 of 3561
Re: Kill switch [surrfurtom] by 210delray
Nov 07, 2009 (4:26 pm)
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Replying to: surrfurtom (Nov 07, 2009 11:27 am)

The ignition key is the tried and true method, but pushbutton ignition switches have become common in higher end cars and in hybrids like the Prius.
 
Even if you have a separate kill switch (off button), it has to be designed so that it can't be accidentally hit while driving. I would imagine some kind of recessed design would help, AND you might have to hold down the button for 1/2 to 1 second.
 
As far as I know, only Audi has separate on and off buttons; does anyone out there know how the off button functions while the car is in motion?

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