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Toyota Highlander Maintenance and Repair

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#2040 of 4692 Re: Hesitation A Safety Hazard? [pilot130] by desertguy Nov 28, 2004 (11:38 am)
Replying to: pilot130 (Nov 28, 2004 10:08 am) Ah but pilot130, by calling it a safety hazard (whether it is or not) they hope to get more serious attention from the "authorities." If you can call the Center for Auto Safety an authority on anything. Joan Claybrook rides again(with Nader as copilot). Will she ever get a real job?
#2041 of 4692 Hesitation A Safety Hazard? C'mon Now!!! by pilot130 Nov 28, 2004 (3:48 pm)
Desertguy, Your sense of humor resonates, and I agree with sentiments about the CAS. Their complaint site, Autosafety.org, is so fraught with fakery that any semblance of credibility is purely coincidental. It's too bad, because if it had better control of those who take advantage of its lack of verification, it could be a helpful resource. The idea this "hesitation" issue constitutes a serious safety hazard sounds to me like a chapter out of another activist's handbook--one who is long since gone (perhaps?) named Blake.
#2043 of 4692 Safety hazard...... by wwest Nov 28, 2004 (8:01 pm)
apparently none of you "nay-sayers" have ever been caught "dead" in front of a line of oncoming fast-moving traffic.   The Trac system in my 92 LS400 would instantly apply the brakes and also instantly dethrottle the engine.   More that one time as I accelerated from a stop, not even close to WOT, and as I then crossed wet plastic crosswalk stripping and the wheels spun the engine would get dethrottled about the time I was 45 degrees to the travel lane I wanted to merge with.   Terrifying at times, multiple second for the dethrottling system to allow decent engine torque recovery.   Unless you've been there yourself, don't denigrate someone who has.   When the vehicle accelerates normally, as one would expect of a Lexus, 99.99% of the time, one tends to accept that performance as the norm.   It's like the Lexus Nav in my 01 RX300, that totally unpredictable .01 percent failure mode causes me to NEVER trust it.
#2044 of 4692 Safety Hazard?? by pilot130 Nov 29, 2004 (2:47 am)
Nope, never been caught dead in front of a line of fast moving traffic---and don't intend to either!! I try to avoid passing traffic when the road ahead isn't clear enough and doesn't present a sufficient margin of safety. I'm not saying that the hesitation "problem" Wwest describes hasn't happened, but I suggest it's an extremely rare and unusual situation. I feel the same way about the Highlander hesitation "problem" some suggest should be promoted as a serious "safety hazard." It just doesn't warrant that kind of alarmist publicity. An aside about your nav system Wwest. It's a satellite based GPS system like all the others out there. Yours is an 01 configuration--3 years old and climbing. You must know that databases in such systems require updating semi annually. Things do change--the most important of which are isogonic lines of magnetic deviation. Have you had yours done, and if so, you may find the accuracy factor will be more reliable. Replies to this message: persnicketyme (Nov 29, 2004 6:26 pm) wbay (Nov 29, 2004 8:45 pm) landdriver (Nov 29, 2004 10:38 pm)
#2045 of 4692 Hesitation is a Safety Hazard by scoti1 Nov 29, 2004 (5:25 am)
Just because you aren't having a problem that others are having, please don't try to minimize the experience. Pilot130, I find it appalling that you mention resale values in one of your replies, implying that this would be a concern to some if people who have this problem report it (#2036 where you say "I also don't think it's likely resale values will be affected one way or the other"). Read back through several pages of reports here and it is OBVIOUSLY a safety issue to those who experienced it and to other drivers who find themselves in the postion of trying to avoid crashing into a hesitating SUV. These reports are not about people irresposibly passing other cars as you accuse, but is about people making turns and hesitating in the middle of turn. If you don't complete a turn, you could be stranded in the middle of an intersection facing oncoming traffic. There are a myriad of other situtations where a safe driver could be placed in a hazardous situtation due to hesitation as described in reports here.   Regardless, there is nothing lost if those who experience the hesitation report their problems to appropriate safety agencies. These agencies can then determine for themselves how much of a hazard this presents.
#2046 of 4692 Re: 05 AWD V6 [beemerman2k] by scoti1 Nov 29, 2004 (7:36 am)
Replying to: beemerman2k (Nov 24, 2004 9:01 pm) Apology to Pilot130 for attributing the resale value statement to you. It appears that beemerman2k is who mentioned it as an issue (and your statement was in response to this). I agree that it needs to get resolved quickly to avoid potential injury or harm, but resale values should not even be a consideration when safety is at stake.   I have been reading up on this problem here and would suggest that the naysayers search this forum using the word "hesitation" to read some of the history on this. It has been an issue when merging into high speed traffic (such as merging onto an interstate), when pulling into a passing lane to pass a slow moving vehicle, when making turns, and so on. It seems like it is mostly reported when traveling at a slow speed then needing to accelerate. There are also some suggestions as to cause, one being that it occurs in those vehicles with "fly” or “fly wire” acceleration.
#2047 of 4692 Hesitation a Safety Hazard? by pilot130 Nov 29, 2004 (8:27 am)
No disrespect intended Scoti, but it could be said you're conjuring up scenarios which are unrealistic. I don't believe that rear end scenario you suggest is much of a likelihood under any circumstances. Furthermore, I don't intend to get into any argument over what's a big or little issue here, all I've done is state my opinion that this hestitation thing is unusual and rare, plus doesn't represent any safety concerns for those few who might experience it. So I'll just leave it at that. If you feel the need to editorialize the issue, go ahead.
#2048 of 4692 Margin of safety..... by wwest Nov 29, 2004 (8:32 am)
I was trying to point out exactly that!   If 99.99% of the time the hesitation doesn't occur then you adjust your driving style accordingly, always "judging" a good margin of safety before pulling out in front of a line of on-rushing traffic.   Then suddenly that remaining .01% reaches out and bites you in the behind.   Since I couldn't reliably predict when my rear wheels might slip on my 92 LS400 the simple thing to do was disable it each and every time I started the car.   Lexus Nav....   The Lexus service manager proved that the problems I have experienced have to do withe the base Nav routing computation, not the map data or lack thereof. Exists on everything up to and including 04 model.
#2049 of 4692 Lexus Nav Problems--Wwest by pilot130 Nov 29, 2004 (8:44 am)
It may be that the system you have isn't computing correctly,and I hope it's nothing more than that. I can tell you from my aviation experience (I have 3 on board GPS receivers)that if databases aren't updated regularly to adjust for constant changes in magnetic North, errors will be there, and get worse over time. Two of my units are current, one isn't(an older unit I keep as a spare), and I can get differences of up to 15 miles in a 200 mile trip.

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