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Hybrid Vehicles Toyota Highlander Hybrid Toyota Highlander Hybrid
3943 messages, Last post on Nov 02, 2009 at 9:19 AM
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Replying to: cdptrap (May 30, 2008 1:51 pm) Apparently I gave the Toyota engineers who designed these systems too much credit. I'm pretty sure the first instance of a form of VSC was on a european marque, MB or BMW, and those systems, ABS/TC/"VSC", were totally integrated from the get go. If I am reading the information in that last link correctly then Toyota has only recently realized that absent integration, FULL integration, these systems could/might interfer with each other in a negative way. I don't now know if this is still of importance but in my '01 AWD RX300 if I floor the accelerate while trying to make a really tight accelerating turn the engine goes "flat" and will not recover until I release and then reapply the accelerator a bit more slowly or lightly. And yes, these sensors can be used to detect an "out-of-whack" driving condition substantially sooner than the best and more experienced driver might using our "seat-of-the-pants" sensing capability.
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Rather than turn off any functionality of VDIM I wonder if it might not be a better solution for the VDIM to have a "sub-mode" wherein the automatic intervention is delayed like Porsche does with PSM. On the track at Daytona a few years ago I left mine on but insofar as I could tell I was always quick enough with my own corrective response that it never activated. So, if a driver feels like "pushing the envelope" a bit go to the sub-mode, otherwise.... |
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Replying to: wwest (May 30, 2008 2:35 pm) People research the '08 HH because it is a hybrid SUV with the potential to get excellent MPG ( better than my '06 HH ) so if someone wants to know what they are getting for $50K, it is fair to remind them of the VDIM in addition to the HSD. So in addition to saving gas, they are getting a new Toyota safety system previously only available in Lexus. Then it is up to that person to decide whether VDIM is worth the extras. For people researching VDIM ( as I once did ), and for new owners of HH, it is much more important to know what it is in practice, what can one expect driving with it, why is it different from Toyota VSC, what benefits does it offer, what problems does it have, how does it impact our driving experience either negatively or positively. Such info help people make intelligent decision. I have enjoyed learning from your posts so this is not to claim "Toyota is best". I am only loyal to a good product that meets my needs regardless of brand  . If GM comes out with something that best the HH tomorrow, it will have my undivided attention. I am also an engineer who works in mission critical systems so getting things right, whether we like them or not, is in my "genes", so to speak. Thus my interest in making sure the differences between Toyota VSC and Toyota VDIM are clearly stated. The rest is up to the readers. Cheers! |
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Not sure if I made a mistake but a post disappeared probably because I provided links to a competing forum. For those researching VDIM and want to read other people's impression, please use the search-string "VDIM vs VSC" in Google. Look for Lexus club and AutoByTel test discussions. Canadian Driver also ran a test in 2006 using the '06 HH. They also provided their view of the VDIM. Popular Mechanics also did a test and provided a video clip of a '06 HH doing a slalom. The Canadian report reads "toyota highlander" but it is the Highlander hybrid because of the telltale air intake slot in the front bumper and the wheel design. Popular Mechanic's video clip ( the HH they used looked to have the squishy Integrity tires ): http://www.popularmechanics.com/automotive/new_cars/1829251.html Hope that helps. |
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Replying to: cdptrap (May 29, 2008 9:34 pm) perhaps Toyota dealers could inform their customers of the above, at least after the sale was made. The dealers could show Toyota Highlander customers the features of this Hybrid, for example how to drive for improved gas mileage in a hybrid, emergency handling procedures or how the VDIM works . . . features that differ from other vehicles. instead my dealer spent time trying to sell me an extended warranty (no, I found a lower price on at another Toyota dealer's web site), and additional rusting proofing (again, no) and other features I did not want - time spent to try to get additional $$ from me, but no time spent on how VDIM works.  I figured out myself. I like the VDIM feature, too. End
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Replying to: sebemismnusa (Jun 03, 2008 7:43 am) What if there had been a "sudden" obstruction, deer/ELK, or even worse an oncoming car had veered into your lane...?? No rollover but....SMACK...!! I have eyesight, the car doesn't, so it should FOLLOW MY instructions, ALWAYS. |
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Replying to: sebemismnusa (Jun 03, 2008 7:43 am) . They also did not bother telling us to use snow tires as it has been reported that climbing up icy slope can risk power shut-off. A poster here had to reverse up a slope to prevent VDIM from interfering because it shuts down all 4 wheels when all 4 spin on ice. I also was really displeased with the cheap, useless Goodyear Integrity tires. It was squishy, gave the car a top heavy wobbly feel. No fancy safety system can compensate for lousy tires. We had to take posters' advice and change tires. We also learned about the VDIM through our own experience. |
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Replying to: wwest (Jun 03, 2008 8:41 am) VDIM will not intrude so obviously if we turn at either reasonable constant speed or to slow down or with only moderate acceleration. VDIM gets nasty when we turn hard and accelerate hard or if the speed is way too high. My wife and I have to learn by trial and error how much to turn and accelerate without incurring the "wrath" of VDIM. We did this in order to avoid the "SMACK" situation. Toyota really should do a much better job of informing and teaching owners. |
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Replying to: wwest (May 29, 2008 2:49 pm) I could only get the beep-beep-beep going when attempting to make donuts (spin around and around) or getting the yaw sensor "activated" . My HH is only front wheel drive. I could not get the rear end to break or get this car to spin. My speeds were 20 to 30 MPH. I have done this easily in other cars (1965 Comet, rear wheel drive) or just rear wheel drive pickup trucks. Maybe if I had some power to the rear wheels ? ? ? After the St. Paul winter carnival, in which they plow a lake for automobile ice races, I might try this again on the ice track . . . End |
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