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Lexus RX 400h and 450h



  • PFFlyer@EdmundsPFFlyer@Edmunds Pennsylvania Furnace, PAPosts: 5,808
    I've moved the posts on Nav problems to the RX 400h GPS/NAV Issues discussion and you may continue there.

    Please remember to check the discussion list inthe group to find an appropriate discussion before posting. Thanks!


    Moderator - Hatchbacks & Hybrid Vehicles

  • PFFlyer@EdmundsPFFlyer@Edmunds Pennsylvania Furnace, PAPosts: 5,808
    You may have noticed new discussions springing up all over the boards. What's happening is that we're starting to move away from very large discussions like this one where folks have to wade through thousands of posts to find the information they're after, and towards smaller, more focused discussions. Some examples of new discussions here in the RX 400h group:

    Lexus RX 400h Test Drive - What Did You Think?
    New Lexus RX 400h Owners - Give Us Your Report
    New Lexus RX 400h Engine Stuttering/Missing
    RX 400h GPS/NAV Issues

    So before you post in this main topic, please check the discussion list for an appropriate discussion. If you have an issue to bring up thatwe don't have a discussion for, please feel free to create one or drop me an email by clicking on my username with your suggestion.

    Thanks for your hlep and understanding while we move the furniture around a bit! ;)

    Lexus is pleased to offer you the opportunity to talk with Bob Carter, Lexus Division leader responsible for our all-new performance hybrids. The live chat is for hybrid enthusiasts as well as those interested in learning what this technology means for them.

    The chat will be on Tuesday July 25 at 9pm ET/ 6pm PT

    Join us at The New Era: Lexus Hybrids live chat event!


    Moderator - Hatchbacks & Hybrid Vehicles

  • Hello everyone:

    I'm the proud owner of a new 2007 Lexus RX400h. Just got it this weekend and am very happy with it so far.

    But, I have a question that came to me 3 hours after I purchased the car:

    Does anyone know if the electric motor in this car (or other hybrids) will create electro-magnetic fields that can prove harmful to pregnant women or children? (i.e. similar to how living near power-lines can potentially cause cancer in children and adults?) Would love to know if anyone has thought about this? Does anyone know how to measure the EMF / magnetic fields in the car whlie driving? I'd like to compare it to other EMF sources and see if this could potentially be an issue.

    What are your thoughts?
  • larsblarsb Posts: 8,204

    To date, neither an exhaustive web search nor the services of a crack librarian at the University of Texas have been able to unearth precise measurements of electromagnetic fields, or EMF, in hybrids. What you do with this knowledge, or lack thereof, depends largely upon your personality. Currently, the public can only be sure that the electronics contained in the vehicles meet FCC standards for electromagnetic interference (EMI) with other electronic devices.
  • The real answer is NO. It is the same a cell phones, too low of levels to cause any harm.
  • stevedebistevedebi LAPosts: 3,719
    "The real answer is NO. It is the same a cell phones, too low of levels to cause any harm."

    Wow, where did you find the study to support this statement?
  • wwestwwest Posts: 10,706

    Wow...Double that, WOW..!

    I have NEVER seen a more direct admission of the hazards of engine braking on a FWD or front biased AWD in my life, never really expected too, from FORD yet. Good-o.

    You should note that the FEH/MMH regenerative braking is significantly reduced ONLY at, near, or below freezing.

    Regenerative braking is instantly reduced to zero if ABS needs to release the brakes to prevent lockup. But what about the ICE itself, does it raise the ICE RPM simultaneously to prevent actual engine braking?

    Now I am very sure, certain, sure, I never want to drive a FWD or front torque biased AWD in wintertime conditions.
  • stevedebistevedebi LAPosts: 3,719
    Never mind cross-license. Cross posting between threads is in poor taste.

    For a reply, see my response in the Ford Escape Hybrid forum. I won't cross post it here.
  • avery1avery1 Posts: 372
    Just a note for those going to this year's event. I just went today and it is quite a reduced event compared to the last one I attended. There is no off road course. There weren't as many competitor cars. The luxury course did have a Mercedes and BMW but that was it. The food is good but one must stand in multiple lines going room to room to get the food. Each room has a new line. Given these changes I don't know if I will be attending future events.
  • PFFlyer@EdmundsPFFlyer@Edmunds Pennsylvania Furnace, PAPosts: 5,808
    Youmight want to ask about off-roading in the Lexus RX 400h: Driving Tips & Tricks discussion.


    Moderator - Hatchbacks & Hybrid Vehicles

  • drgkjedrgkje Posts: 21
    7 month old 400h- the display has gone bad. the energy is the worst. it appears that the old info is not being cleared fully as new is added so you see multiple colors and arrows superimposed on each other.

    one-of-a-king glitch? anyone else had this problem
  • Lexus addresses the EMG in the manual somewhere, I just read it. I agree that if it doesn't cause radio interference, we're probably safe :) The smallest things can kill AM reception.
  • petlpetl Posts: 610
    You may find the answer here:
  • I've got a 400h on order and will be buying a smart phone/PDA phone of some kind when it comes in. I'm also entirely open on the wireless vendor (I'm in the Washington DC area). Does anyone have experience with a Palm Treo connected to the 400h via Bluetooth? Any significant limitations with any of the wireless companies who use these phones?
  • katzjamrkatzjamr Posts: 146
    i have connected both my treo 650 and new 680 via bluetooth with my 400h, the 680 has a newer version of bluetooth. the 680 is less expensive and smaller than the 650, palm based and a great phone. please remember it has a smaller battery so currently battery life is half that of the 650. verizon seems to limit the phones use more than other carriers, also sprint doesnt use a sim card so try for cingular in your area. also ask friends who is the best carrier where u live as different carriers are strong in different locations. most carriers will give you two to four weeks to try out a phone will a full refund.
  • hilandr05hilandr05 Posts: 18
    I live in S Florida and have not seen any advertising on TV or print media about the 400h. But I sure see a lot of Lexus advertising for all their other vehicles.
    What does this mean for us owners with regard to future support, maintenance, and trade-in value?
  • wwestwwest Posts: 10,706
    I can't imagine that the primary populace of S. Florida is highly interested in 0-60 times.
  • dgrahamrdgrahamr Posts: 20
    I was all set to buy a 2008 RX350, but now I've learned VDIM is only on the hybrid (strange). My understanding is that VDIM represents a very significant safety advance over standard stability control. Is that right, or am I overstating it?

    If I do have to get the hybrid, I have some concern about driving on our snowy driveway and private road and damaging the hybrid drivetrain. Does it have protective mechanisms built in to prevent snow-based wheel spin from damaging the car?
  • wwestwwest Posts: 10,706
    VDIM is on the RX350, just a more complex one on the RXh due to the ability for totally variable torque at the rear on the AWD model.

    It's entirely possible, maybe even highly probable, that the RXh will yield better AWD capability on adverse, wintertime, ice, packed snow, roadbed conditions.

    For that matter, I wouldn't willingly take either off-road, but if I did have to choose it would be the RXh for brief off-road excursions.
  • Karen@EdmundsKaren@Edmunds Posts: 5,024
    A reporter for a weekend news program is looking to interview consumers in the Los Angeles area who are interested in purchasing a hybrid. Please reply to no later than Thursday, March 22, 2007 with your daytime contact info.

    Karen-Edmunds Community Manager

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