Lexus RX 2010-15 :: Pre-Collision System False Positives?
Nov 8, 2013
I'm close to purchasing a 2014 RX 450h and thought I wanted PCS, but am not sure about the false positives. For all of you that have PCS, do you get false positives causing alarms and braking to happen for no reason? I ask because I am probably going to special order one and am debating on adding this feature or not.
On a quick side note - it appears that the automatic braking will happen on all RX's except for the RXh AWD. Why not? I don't know, and Lexus people couldn't answer my question either.
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I have the subject system in my car. US Spec IS350 RWD F-Sport. The manual says the on/off switch is to the left of the steering wheel on the lower part of the dash. I have no such switch in that location.... Where is PCS on/off switch.
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Twice now I've been driving and there was a few second lull where pressing the gas did nothing. The first time I was passing a car on the right, and the other I was pulling out between two cars to make a left on a busy road. Is there some kind of collision detection system that's causing the loss of acceleration? It's odd that the 2 times it happened I was so close to other vehicles. It's concerning since I needed to pull out quickly the second time and I was stuck for a few seconds without acceleration.
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About two months after I lowered my TCH I started getting a warning that my Pre-Collision System was malfunctioning.
I brought it into the dealer to have them investigate the issue, and after having my car for three days they said they couldn't find anything wrong with the system, and it's probably because I modified the ride height of my car.
The question that immediately came to mind was, why did it take two months for the error message to pop up? Why not right away? They didn't have an answer and just said, "If it's modified we can't do any warranty work, and can't say for sure what's causing the issue."
So I've adjusted the ride height back to stock and now I just need to take it back to the dealer to have them look at it again. If it really is the modified ride height, can i re-calibrate the sensors?
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my ES300h was hit on the front bumper while parked in a parking lot. It's now been at the dealer for 6 weeks trying to find the cause of the "brake" light coming on with three quick beeps for NO apparent reason. This has been happening since the collision, and with each trip to the dealer they think they have it fixed..... I can't find a common denominator for what causes the light to come on, and cannot replicate it.
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I got a TSB done on my clunk about a year ago. The old clunk felt like the car was hit from behind at a low speed collision (I have the experience). But now the car has developed a different type of clunk. Now it feels like something is hitting me from directly below my feet. I can actually feel the vibration right between the sit and pedals. What gives now? Is it the same thing, anything to worry about?
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I have recently purchased this 2012 Gen 3 Prius JDM imported from Japan. It is with LED parking lights and HID low beam. At day there is no issue with lights Off, even no issue on parking lights On but as soon as the headlights are turned On i get the fault indicator and some warning in Japanese language on inner screen. Apparently, all lights, on the other hand, are working fine.
When i took the car to repair shop, they installed the diagnostic computer and it showed B2430 and B2431, LED headlight RH and LH, whereas my model is with HID headlights, not LED headlights. At day its ok, i get normal info on inner info screen but at night this error triangle and error message keeps showing instead of normal info and is a cause of fear for me as well because i dont know how serious it may become.
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Do any of you get a low tire pressure warning light even though all the tire pressure show as being fine?
Annoying that warning light comes on and it high lights tire pressure in yellow even though the tire it high lights actually has more psi than some of the other tires.
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2015 IS 350 F sport RWD ... Experience a false seat belt indicator tone while driving? This happens very rarely like 1-2 a month. Only had the vehicle for 3 months. Only on the driver side. When the seat belt indicator goes off I wiggle the seat belt buckle and the indicator goes away.
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I have a 2010 rx 350 and my wife was in a little bump with the garage. There is a small crack in the right headlight and I sealed it but some dirt has now entered and now the light comes on to "Check AFS System" It is costly at the dealer so I am looking for replacement light. In the meantime, is there a way to shut that off the main cluster as it's terribly annoying...
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My iPhone 4S stopped communicating through the NAV system last week. I could still call out using voice commands but I could not be heard or hear the other person.
Went to Dealership yesterday thinking something in the car broke and after an hour of testing was told that the phone was too old. Apparently Apple updates the phone's OS from time to time, and this time it broke the Lexus NAV system to phone link.
So I went out and upgraded the 4S to a 6. Now it works again, so Lexus Tech was right, it was an Apple OS upgrade that must have happened a week ago.
I wonder if Lexus will now remove the 4s from its "compatibility" list.
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My 2015 Lexus RX 350 has been indicating "Check AWD system, TRAC off" for sometime now. It all started when I overfilled the tank and it spilled over. The indicator came on after about 12 hours. What may be responsible. The car is barely 6 months old and don't know what to do right now.
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Looking for Blind Spot Monitoring System that can be installed on the GX.
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When I use Side view and backup camera , the screen shows SYSTEM NOT READY. After this issue, I go to service menu, I found check for HANDLE and DEST. Any solution for HANDLE and DEST check in service menu? Is there anyway to upgrade firmware of INTUITIVE PARKING ASSIST ECU?
During driving, some buttons are not working. Sometimes work and sometimes doesn't work!
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Is it possible to turn off the display screen for the Nav system? I mean turn it completely off, so the screen is dark.
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Out of curiosity, why would to turn off the Adaptive Front-Lighting System (AFS)? There is an option on my panel menu to do so; I just can't think of a situation where I would want to. Why Lexus makes this option available, other than they can? Otherwise, it just takes up space in my scrolling menu; how 'bout they replace that with the outside temp displayed?
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How do I use my Samsung Galaxy 4 (with Bluetooth) music with my 2013 RX350 vehicle sound system?
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Recently bought the Lexus 450h and the Rear Entertainment system is an Aftermarket system. It was delivered to my wife yesterday and I had thought they were going to put in the Factory system. After looking at the current system I am kind of concerned about it.
The system looks to be an Invison SL system that is in the headrests. The concern I have is that we use the rear entertainment for our young children and they can't wear the headphones. the way it is set up the audio only comes through the headphones, it won't come over the car speakers. Plus the headphones if they could wear them are not volume limiting
Also someone needs to be in the back to start or stop the dvds. The other luxury suv we have has the factory dvd system. Audio comes over the main speakers and we can start/stop the dvd with controls from the main console in the front. this is not a knock on invision but for our setup it seems like the factory would be better.
I would like to have to the factory system because I like to have it all integrated and working together.
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So I just purchased my new-to-me, CPO 2010 RX 350 two weeks ago. It had 81,750 miles when I purchased it, and it now has about 83,000 miles. I just came back from a weekend vacation, having driving about 500 miles total. This morning when I turned on the car, I noticed a message saying "Check AWD System," the check engine light was on, the general warning light was on, and the traction control light was on. As I was driving, I realized that the car wasn't downshifting properly. I didn't drive faster than 40 mph on my morning commute. When the car did downshift, it was a hard, jerky shift.
I did some reading on the forum, and many people suggested all the warning lights could be fixed by taking off and retightening the gas cap (due to the vehicle not reading the emissions properly or something?). I also read that topping off and overfilling the gas tank can be cause for the warning lights to go on. I did fill up once on my way home from my vacation, and haven't filled up since.
Anyways, I just now tried to adjust the gas cap and then restart the car, but the warning lights are still on. What I should do or if I should drive it a bit to let the emissions build up again? My problem is is that I live about 6 hours from a Lexus dealership, so I'm trying to figure out if I can resolve this on my own or what I should tell a mechanic specifically if I need to take it in.
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Wife was driving her Lexus 2010 when she got the following warnings and took a picture (see below). It was freezing outside so that may have had something to do with this.
Drove car in morning to appointment (5 miles) no problem. Let sit for 2 hours (freezing weather). Drove back and encountered the warning below: Check AWD System, check engine light and traction control light. Roads were fine with no snow/ice. I checked code on car and it called out Cylinder 5 misfire. She encountered loss of power going up hill.
I cleared code and checked/replace front bank of plugs (Cylinders 2, 4, 6) with Denso #3426 (FK20HR11) - too difficult to replace others. Spark plugs looked decent minus some oil/gas on threads of plugs similar to what I saw on another posting that went through process of changing plugs. Car drove fine after (next 20 miles).
Lexus 2010 - RX350 : Check AWD System
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My girlfriends has GX460 . It keep showing a complete failure of the system and gives warning in the center dash and on the dash.
Is there a way to just shut the system down until after the weather clears up or forever, since its failed twice before?
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