RX - 4th Gen (2016-2022) Discussion topics related to the 2016 and up RX350 and RX450h models

Heated Seats and Steering Wheel not that Warm

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Old 01-13-22, 09:02 PM
  #271  
MrKirby
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Originally Posted by Tarkus
What is this heated seat "Amplifier" you are all talking about? How would it amplify heat or wattage? Or is it actually an actuator?
December 2021. Took it to the dealer and they warranted the issue and fixed the seats. Not sure what they did. Took 5 hours but this known issues can now be fixed!!!!
Old 01-10-23, 10:51 AM
  #272  
Lexypoo25
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Originally Posted by MrKirby
December 2021. Took it to the dealer and they warranted the issue and fixed the seats. Not sure what they did. Took 5 hours but this known issues can now be fixed!!!!
Wow, I wasn’t aware that this was a known issue. My heated steering wheel is pathetic, it’s so lukewarm. But my heated seats aren’t that hot at all. My Acura RDX seats were so hot on the third setting, I usually kept them on the middle setting. My front passenger seat is worse than the driver seat. I currently have it on the third setting and it’s just lukewarm. I have a ‘22 RX. Disappointed for sure
Old 01-10-23, 05:48 PM
  #273  
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Originally Posted by MrKirby
December 2021. Took it to the dealer and they warranted the issue and fixed the seats. Not sure what they did. Took 5 hours but this known issues can now be fixed!!!!

You are lucky to get it fixed for free. It is a known issue and according to the Technical Bulletin it should take 3 hours of labor. Don't know the cost of parts so I am guessing the whole job at $700.00 My drivers seat gets real hot and the passenger seat gets nothing. I have not checked the back seats yet. I will not have this repair done. Ain't worth it.
Old 01-11-23, 04:53 AM
  #274  
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Originally Posted by jcg0324
You are lucky to get it fixed for free. It is a known issue and according to the Technical Bulletin it should take 3 hours of labor. Don't know the cost of parts so I am guessing the whole job at $700.00 My drivers seat gets real hot and the passenger seat gets nothing. I have not checked the back seats yet. I will not have this repair done. Ain't worth it.
What repair? The seat heaters, the steering wheel or both?
Old 01-11-23, 05:13 AM
  #275  
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Originally Posted by gadgetman1
What repair? The seat heaters, the steering wheel or both?

The seats.
Old 01-11-23, 06:01 AM
  #276  
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Originally Posted by gadgetman1
What repair? The seat heaters, the steering wheel or both?
The only fix for the steering heater is to buy another car.

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Old 01-11-23, 06:16 AM
  #277  
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Originally Posted by toyotaman7
The only fix for the steering heater is to buy another car.
The steering wheel heater works perfect. It is just Mother Toyota pushing people to hold on to the wheel in the proper places...9 and 3 o'clock.
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Old 01-11-23, 06:40 AM
  #278  
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Originally Posted by toyotaman7
The only fix for the steering heater is to buy another car.
....or a pair of gloves.
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Old 01-11-23, 06:50 AM
  #279  
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Originally Posted by golferjack
The steering wheel heater works perfect. It is just Mother Toyota pushing people to hold on to the wheel in the proper places...9 and 3 o'clock.
Mine is also take Luke warm.

The new Lexus' have heated steering wheels that heat the whole circle plus they actually get warm. I love it on my ESh. It's also automatic, based on HVAC temperature setting.

Old 01-11-23, 07:51 AM
  #280  
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Originally Posted by golferjack
The steering wheel heater works perfect. It is just Mother Toyota pushing people to hold on to the wheel in the proper places...9 and 3 o'clock.
My driver’s education taught me the correct hold positions were 10 & 2. Our evaluators definitely observed & dinged us, if we were not following that guidance.
Old 01-11-23, 08:38 AM
  #281  
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Originally Posted by gadgetman1
My driver’s education taught me the correct hold positions were 10 & 2. Our evaluators definitely observed & dinged us, if we were not following that guidance.
Come on, a little levity never hurts.
By the way, it may just be my hybrid, but the wheel and the seats are perfect. I have always attributed the greater heat and fast heat up to being a hybrid. Hybrids do not have an alternator, so the power for the heaters is coming from the 280 volt main system, Obviously the voltage is stepped down to 12 volts, but it would be constant, and not have to depend on voltage being shared by the 12 volt alternator in a non hybrid vehicle.
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Old 01-11-23, 08:56 AM
  #282  
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Hi all - The weak/faulty seat heater can certainly be repaired and is a known issue for a few years. I posted about this a few years ago when I had mine replaced:

Originally Posted by eddie420
I have a 2017 RX350 F Sport and I have almost a non-functioning driver seat heater. Car has been in service for for 1.5 weeks so far. They said the heating grid is inside the cushion and have to special order it to replace it. Supposed to get it back tomorrow... supposedly.
Originally Posted by eddie420
Quick update on this. Got the car back today and the heat is working how it should. Gets nice and toasty for the winter weather I am in.

Service report states "CAUSE: INTERNAL FAULT IN HEATER GRID. REPLACE DRIVERS SEAT HEATER CUSHION PART# 71102-0E100-C1".

The part number for mine is for black interior, yours will be different if you have a different color interior (e.g., Rioja red, etc).
Old 01-11-23, 09:31 AM
  #283  
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Originally Posted by golferjack
Come on, a little levity never hurts.
By the way, it may just be my hybrid, but the wheel and the seats are perfect. I have always attributed the greater heat and fast heat up to being a hybrid. Hybrids do not have an alternator, so the power for the heaters is coming from the 280 volt main system, Obviously the voltage is stepped down to 12 volts, but it would be constant, and not have to depend on voltage being shared by the 12 volt alternator in a non hybrid vehicle.
I don’t know why they were so strict, possibly to stave off bad habits.

I have a hybrid also & I have no issue with my seat heaters. The steering wheel heater however, is a dismal waste of money! Granted, mine is better since I took that stupid wood wheel off & put a full leather one in its place. That freak’n wood wheel would fry our hands in the 100° summer heat & it never warmed up in the winter.
Old 01-11-23, 09:37 AM
  #284  
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Originally Posted by golferjack
The steering wheel heater works perfect. It is just Mother Toyota pushing people to hold on to the wheel in the proper places...9 and 3 o'clock.
That makes no sense, I grab the entire wheel when I am turning, the entire wheel should’ve been heated. Also, the parts that are heated are so lukewarm.
Old 01-11-23, 12:32 PM
  #285  
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For what it’s worth, I have owned numerous vehicles of all brands with heated steering wheels & Lexus is the ONLY one where the entire wheel is not warmed.


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