Lexus RX 2010-15 :: 2012 RX350 - Computer DTE Calculation Doesn't Match MPG?
Feb 4, 2014
Just got a (second) 2012 RX350. 13,000 miles. The Distance to Empty is confusing me. Doesn't come close to matching the tank size times either the mpg since last fill-up, or the overall average mpg. Overall mpg is 17.x. mpg since last fill-up varies from 17-21. But when I fill the tank, the DTE says maybe 260. With a 20gal tank the DTE after a fill-up should be in the 340-350 range.
This isn't happening on our other 2012 RX350 with about the same number of miles.
The needle gas gauge appears to be right, based on where the needle is before a fill-up and the number of gallons purchased.
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How accurate is the calculation from the car's "computer" for the cruising range left?
In my experience from my previous vehicle. When my gas light would come on, I believe it generally meant that I had 2 gallons left in the tank before stranded.
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I have a 2010 RX350 and put a lot of MP3 songs on USB stick to play. Recently I have downloaded a lot of songs from Amazon in MP3 format and finding that some of the songs just don't play. I see the name of the song on the display and then it just passes over it and doesn't play.
I don't have Navigation on this vehicle. I can take the same USB stick and put it in another car (newer) and it all the songs play fine. Why some MP3 files play and some don't?
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I paired my iPhone 6S with my 2010 RX350, and the phone shows it is paired, but sound never comes out of the car speakers, only the phone. My iPhone 6 occasionally had the same issue.
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I have a 2012 RX350 with about 25k miles. Remote FOB will not start the car. Strange problem that I cannot find anywhere. The batteries were replaced in both FOBs because they were showing 2.6v. Still will not start.
Pressing LOCK, LOCK, HOLD LOCK you can hear the click of the doors locking but the flashers do not flash. After holding lock for the 3 seconds the flashers will flash 4 times, then nothing. All other functions of the fob work correctly.
I was thinking about removing the car battery for awhile (kind or a reboot, maybe) before bringing to dealer (110 miles away).
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When a friend recently let me drive a 2013 Nissan Altima, I was blown away by how much quieter it is then the RX I was shocked to read all the hundreds of posts here about wind noise issues with LX models, and fascinated by the letters to and from Lexus by Lexus owners about the problem
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Got my CPO 2012 RX350 in July, everything has been great
winter has been tough here in the north with -30 Celsius (-22 F) every other week. when it's that cold there's squeaking noise from the dashboard / windshield area. mainly from the intersection of both.
Once the car is out of the garage it's ok for a few minutes then noise starts. this only happens if the weather is colder than -10 C (14 F) (i can't blame the car as my bones squeak when it's colder than-10 ) This is definitely an expansion/contraction issue.
The dealer indicated that they will have to remove the dashboard to fix the problem and recommended that I wait towards the end of the warranty, observe other issues and fix all at once as multiple removal of the dashboard may bring new problems (i.e. snapped pieces may get loose).
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With the temps at a all time low in the U.S. this week, my TPMS warning light has come on in my 2012 RX350. It will stay very cold for most of the week, so is it ok to drive with my warning light on.
I don't want to check my psi in the tires with a tire gauge because I was told a valve stem can freeze open in extreme cold letting the tire to go completely flat.
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I'm not sure this is by design but the buttons for sunroof and garage door are not illuminating at night. I would like to know if your vehicles have the same behavior. I try to look for any info in the manual but can't find anything. I thought there would be a switch somewhere that turns this on and off but I can't find it anywhere either. My brother-in-law has a 2012 Toyota Sienna van and these buttons do light up at night while my 2012 RX350 does not. I find it interesting for a luxury vehicle.
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Just got a 2012 Lexus RX 350, but find out that the engine sound is quite "noisy" in the lower gear or when pushing the pedal. Is this just my car, or is common?
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My RX350 has less than 18K miles and it has signs of bad valve seals. If I start the vehicle after it sits for a while, a large puff of blue smoke emits from the tail pipe. My 02 Dodge with 188K miles doesn't even do this.
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From time to time, climate control will stop working. Buttons are not lit up or responsive, fans do not work, and computer doesn't show outside temperature. Problem can last a day, an hour, 10 minutes, or any other time frame. Most of the time once it stops working it will not start working until left parked and locked overnight. Sometimes when we start driving it would all of a sudden start working on its own. This has happened during multiple seasons and multiple weather conditions.
I took the car to Lexus dealer who decided it would be a smart idea to replace the whole climate control unit in the dash, well this past weekend the problem occurred again with brand new climate control unit in place.
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My 2012 RX350 now for over a year and like it a lot.........BUT.
There's seems to be a lot "road noise" that's transmitted back into the cabin, like driving over expansion joints on blacktop or rough road surface, is this normal?
I drove a 2000 RX300 for 100,000 miles and don't remember it being this noisy. Interior noise is great and quiet.
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I just purchased an 07 RX 350 with a salvage title. I'm going to fix it up and drive it but I'm trying to figure out why it won't start. It was hit in the front driver side corner, bent the radiator support and crushed the bumper and head light, but that is about the extent of the damage. I tried charging the battery and I get power inside and the other headlight seems very bright, but when I try to turn it over, I can hear what I think is the fuel pump engage but the engine doesn't turn over and there is no noise from the starter. Is there a sensor or something that would be stopping it?
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I've had my 2008 RX350 for 2.5 yrs now and just love it! However, over the last 8 months or so, I've been having a strange annoying problem. And a few times, the car has left me stranded. What happens is I turn the key and my first indicator is that the steering wheel doesn't adjust and I know the car is not going to start. However, the radio may work, dash lights work, steering wheel is not locked. It seems entirely dead as if the battery is dead. The car may start 15 min later or may take 3 hours then decide to start.
A strange thing is, is the windows don't work following these episodes which normally signify a battery failure, however the battery is not very old, otherwise performs perfectly and the dealership tested it and say it's good. Because this is so intermittent, they couldn't re-enact the problem so I'm stuck with being stranded again....usually 6 weeks later. The dealership has no answers. I was lucky last night because the car started after 15 min. 6 weeks ago, I was stranded 50 miles away from home where I had to leave the car overnight after trying for 3 hours to get is started.
The next morning, it promptly started. I am at a total loss and it makes me nervous to drive. My husband who works for a chevy dealer and knowledgeable with cars is stumped. He asks the question, could there be a computer malfunction after so many starts which would answer the 6 wk consistency for which this happens? Should we just replace the battery even though we have no reason to suspect?
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Only numbers 1,2,5 match the diagram below. my 6,7,8 are BK/W, PK/B, BR/PK. My Sony CD player came with bare wires. So I could cut off the truck oem plug. How hard is it to find a plug that goes from my OEM plug to my Sony CD player?
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I find it a little concerning that I can actually drive off in our RX350 without the key fob in it. I know there is a warning on the dash, but that doesn't stop someone from stealing it. May be a park lock out would be a better solution.
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Looking for a new luxury SUV - had a 2001 RX-300 and put 230,000 miles on it and gave it to my daughter. The local Lexus dealer seems to have only AWD models and is not real useful in getting a FWD stripper (don't want nav, etc.) The local Acura dealer has several base MDX's in FWD and seems more useful. Drove both AWD versions and thought the Acura was much better handler and better road feel. Am leaning towards Acura but don't know about service costs and long term reliability - we will keep either car for 12 years probably. What say you? Doesn't seem to be a decent Acura MDX forum out there.
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Just got my PiP about two weeks ago. Just had to fill up for the first time. I was going to try and manually calculate MPG on the ICE and was looking at my Odometer and added up the HV and EV miles and they don't match.
Is this normal? Is my MPG the HV miles divided by my gallons of gas I just filled up?
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I'd like to mount my passport 9500ix neatly in my new RX (CPO 2011)... I use a Blendmount and Mirrortap in my C6 Corvette, but I can't find a similar solution for the RX. Who has a Radar Detector mounted to the mirror in the RX
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I have HID low beams and Halogen high beams on my 2015 RX 350. I'd like to set the HID low beams just a touch higher. The manual shows where the adjustment screws are located, but does not indicate which way (clockwise or counter-clockwise) to turn the screw to raise the position of the headlight. Yes I could just start turning one way or the other to figure it out...
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