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Lexus RX 400h

2334 messages,  Last post on Oct 11, 2009 at 10:42 AM

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What is this discussion about? Lexus RX 400h, Hybrid Cars

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#2325 of 2334 Re: Insulting Offer to Upgrade Nav Map [brent99] by macmascoma Jul 28, 2008 (8:59 am)
Replying to: brent99 (Mar 03, 2008 3:06 pm) I agree! Is there any other way to upgrade the Nav system?
#2326 of 2334 Lexus Tires by macmascoma Jul 28, 2008 (9:02 am)
Anybody have any recommendations on tires for a Lexus 400h that will give better than 20 to 25K miles per set? Replies to this message: whynissan (Oct 11, 2009 10:33 am) wwest (Oct 11, 2009 10:42 am)
#2327 of 2334 Steering Computer Update [jdt] by jdt Nov 29, 2008 (12:08 pm)
Replying to: jdt (May 16, 2005 10:03 am) My RX 400h has a VIN less than #4000, and it had a bad steering problem since I bought it in 2005. After much fussing with this, it turned out to not be an alignment problem at all. I requested a new steering computer last year from my local dealer. They hesitated, because Lexus did not change the part number from the original to the upgraded version. Thus, they couldn't tell if my car had the new one or not. Turns out, not. When they put in new one, the effort to turn the wheel went down by about half, and I've had no more speed-dependent pulling problems. It took about 3 years, but it's finally fixed. I'd like to thank Edmunds.com and my fellow 400h owners for giving me enough clues to pass on to the service shop to convince them of the true issue. It's like having a new car - thanks again.
#2328 of 2334 Re: Tire Wear [maggiebrowneye] by worn_tires Sep 11, 2009 (7:15 pm)
Replying to: maggiebrowneye (May 10, 2007 12:03 pm) The situation is exactly the same with my 400h. Inside tire wear and excess road noise with some vibrations. Dealer suggested replacement at 31,000 miles with Michelin and that was done. I have only 3000 additional miles on these new Michelin tires and I already see more wear on the inside of all tires. I would say that this is a problem inherent with the excessive weight of the vehicle. Lexus needs to acknowledge the problems and do something about it. The price you pay for this car should mean quality is already built in!
#2329 of 2334 Help! Major Trouble by spinaker Sep 13, 2009 (8:39 pm)
I bought a very low mileage 2007 Lexus RX400h a couple of months ago and all has been perfect. Getting amazing gas mileage to top it off.   However..... this weekend we were out on Saturday and the car was parked outside the house. The weather was terrible and we were having torrential rain. I got a call from my neighbor warning me that my sun roof and all windows were open. I rushed home to find about 3 inches of water in the car. How could this open itself? I know there is a convenience feature on the remote but we were not near the car.   I dried it out as much as possible but a whole bunch of errors: Check VSC, Check Hybrid, Check TPMS, Central locking no longer working, window control on driver side not working.   Taking it to the dealer in the morning. Any thoughts?
#2330 of 2334 Steering crashed in RX 400h by rthmama Sep 17, 2009 (5:41 pm)
Today my husband called me to meet him in the parking lot of the shopping center. The steering on his 2006 RX 400h (purchased in 2005) suddenly froze up completely. We towed his car to the dealership and they said that there had been problems with the steering of the 400h. I do not remember getting a recall notice, but they will fix it for free. I am so glad this did not happen on the highway! Has anyone heard anything like this? Replies to this message: wwest (Sep 19, 2009 7:02 am) rcy (Oct 07, 2009 2:09 pm)
#2331 of 2334 Re: Steering crashed in RX 400h [rthmama] by wwest Sep 19, 2009 (7:02 am)
Replying to: rthmama (Sep 17, 2009 5:41 pm) Yes, the electric drive for the stearing is significantly underpowered and too easily overheats and fails.
#2332 of 2334 Re: Steering crashed in RX 400h [rthmama] by rcy Oct 07, 2009 (2:09 pm)
Replying to: rthmama (Sep 17, 2009 5:41 pm) There is a 'service campaign' where Lexus will replace the electric power steering rack. It's not a gov't mandated recall, but something Lexus is doing before they are forced into a recall I guess. It has something to do with the magnets inside the steering rack coming loose and seizing the rack.
#2333 of 2334 Re: Lexus Tires [macmascoma] by whynissan Oct 11, 2009 (10:33 am)
Replying to: macmascoma (Jul 28, 2008 9:02 am) Wish I could help you. There are only one set of Michelins that fit this vehicle and they have no mileage warranty. I purchased my 2007 rx400h in July of 2007, and with 40,000 miles on my vehicle, I am on my third set of tires. Absolutely ridiculous! Replies to this message: wwest (Oct 11, 2009 10:42 am)
#2334 of 2334 Re: Lexus Tires [whynissan] by wwest Oct 11, 2009 (10:42 am)
Replying to: whynissan (Oct 11, 2009 10:33 am) 4WD version..??   The RXh and the HH are the ONLY vehicles of which I am aware that have FULL-TIME 4WD capability. Independently "driven" front and rear axles eliminate the driveline windup "problem" with all the PART-TIME AWD/4WD and F/awd or R/awd out there in the marketplace.   So all that is left for the RXh and HH to overcome is tire-scrubbing.   TIRE-SCRUBBING...??

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