Lexus RX 400h: Problems & Solutions - READ ONLY

202 messages, Last post on Oct 25, 2006 at 7:35 AM

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

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#146 of 202 press request by kirstie_h HOST Feb 27, 2006 (1:43 pm)
A major national newspaper would like to interview those who recently purchased a new Mercedes ML or a Lexus RX/400H. Please respond to jfallonedmunds.com before Wednesday, March 1, 2006 with your daytime contact info and a few words about the model you chose.
#147 of 202 Any one know Battery CCA on the Factory RX 400h by lxpatel Feb 28, 2006 (4:25 pm)
I just had the Auxiliary battery replaced at the dealer, they put 84 month 500 Cold Cranking Amp battery, i wanted to find out what CCA came from the factory if any one has a RX 400h that has not had the Auxiliary battery replaced by the dealer. Replies to this message: wwest (Feb 28, 2006 5:24 pm)
#148 of 202 Re: Any one know Battery CCA on the Factory RX 400h [lxpatel] by wwest Feb 28, 2006 (5:24 pm)
Replying to: lxpatel (Feb 28, 2006 4:25 pm) You may have made a mistake, a big one. The 12 volt battery in your RX400 is kept charged via a voltage downconverter/inverter from the hybrid battery. Too much battery loading, battery too big, might destroy the downconverter.
#149 of 202 Any one know Battery CCA on the Factory RX 400h [lxpatel by lxpatel Mar 01, 2006 (12:13 am)
Well, Lexus installed the battery, and 8 yr warranty plus Lexus extended warranty to 100k, hope fully downconverter is covered item. One other note. They did reprogram something which made the rear power windows work from the driver's door switch as well as the roof which started to function properly
#150 of 202 running out of gas by drgkje Mar 02, 2006 (3:57 pm)
just got a new 400H. one of the scary things the salesman said is that if you run out of gas, you cannot just add gas, restart and carry on...the car has to be towed to the dealer. did not find any such statement in the manual. anyone has any experience or info? btw, love the car, rides great, a couple unusual feelings and noises but we were prepared as had read about them in this forum Replies to this message: katzjamr (Mar 03, 2006 6:22 pm) drgkje (Mar 03, 2006 6:58 pm)
#151 of 202 Rear Door grinding sound, won't open by varix Mar 02, 2006 (9:17 pm)
I have a 2 month old 400h with 2K miles on it and today the rear door would not open electrically, rather it stuttered and made a grinding noise and then stopped after a few seconds. It did this 3 times but later in the day it worked OK. it could always be opened manually. Any one with a similar problem/solution?
#152 of 202 what he should have said by katzjamr Mar 03, 2006 (6:22 pm)
Replying to: drgkje (Mar 02, 2006 3:57 pm) it is true that you do not want to run out of gas with this vehicle. what will happen is you have three chances to start the car after running out of gas. if it does not start after the third time, it will electronically shut down to protect the main battery. it then will have to be towed to the dealer to be reset and started. the reason for this is to prevent people from operating the car on electric only when there is no gas in the tank and the engine cannot run to support the battery. toyota is preventing you from possibly ruining the main battery and needing expensive replacement. also for most cars the fuel pump is in the gas tank and fuel surrounding the pump keeps it cool. when you run very low consistently in can cause you to need to replace that pump sooner. when the low fuel light on the dash lights up, you have about three gallons left. i used to be one of those who ran low on fuel before filling up. i dont do that with this vehicle. Replies to this message: drgkje (Mar 03, 2006 6:58 pm)
#153 of 202 Re: what he should have said [katzjamr] by drgkje Mar 03, 2006 (6:58 pm)
Replying to: katzjamr (Mar 03, 2006 6:22 pm) Thanks for the detailed explanation. I have to tell the family to WATCH the gas gage.
#154 of 202 RX400 slight noise problem by hilandr05 Mar 15, 2006 (6:51 pm)
Only 500 miles on my 400 so I have not gone back to the dealer yet. Before I do, I wanted to check if anyone else has experienced this. At speeds over 30 MPH there is s noise coming from the back that sounds a little like a metallic fluttering. I thought it might be a tag or something loose underneath, but nothing found. With someone in the back seat to help listen, it seems to be narrowed down to coming from under the seat, which would mean possibly something in the battery area. Could it be something with the battery ventilation operation? Anyone else have a similar experience? At speeds above 60 the road noise takes over and most of the time I cannot hear it. So I know, the solution is to drive fast! jc Replies to this message: roycrawf (Mar 20, 2006 12:37 pm) mkkid (Mar 22, 2006 12:04 pm) lexrexblue (Mar 22, 2006 7:08 pm) andyski (Mar 24, 2006 10:18 am) colomark (Mar 27, 2006 7:46 am) andyski (Mar 27, 2006 10:10 am) and 2 more... hilandr05 (Mar 28, 2006 5:11 am)
#155 of 202 Re: My bad [caps04] by hilandr05 Mar 15, 2006 (6:54 pm)
Replying to: caps04 (Aug 18, 2005 2:12 pm) 500 miles on my 400 averaging 28 MPG