RX - 3rd Gen (2010-2015) Discussion topics related to the 2010 - 2015 RX350 and RX450H models

"Sport mode" activated by default?

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Old 06-12-17, 12:34 PM
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Denzo
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Default "Sport mode" activated by default?

Can the sport mode be programmed as standard?, Programmed by the dealer? (RX450h F-Sport 2013).
I cannot save gasoline with the economy and It's just more comfortable with the sport mode, The vehicle reacts much better, better acceleration, the engine reacts as exactly as I want it. I do not want to activate each time on the steering-wheel this Function.
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Nirajdhami (03-18-23)
Old 06-13-17, 10:53 AM
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Clutchless
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I do not think that is possible, having had 2 Lexus hybrids. I would just hit sport mode when driving, and still do.
You may want to post in the hybrid sub-forum to see if a fellow hybrid owner has more data.
Old 06-13-17, 12:54 PM
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lexusrus
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We have a 2013 RX450h "F Sports appearance package". (2013 RX450h technically did not have "FSports"). To keep it in SPORT as I recall it can not be done and each time you shut off the engine it goes back to either normal or eco as I recall. Anyone finding this different?


Originally Posted by Denzo
Can the sport mode be programmed as standard?, Programmed by the dealer? (RX450h F-Sport 2013).
I cannot save gasoline with the economy and It's just more comfortable with the sport mode, The vehicle reacts much better, better acceleration, the engine reacts as exactly as I want it. I do not want to activate each time on the steering-wheel this Function.
Old 06-13-17, 02:50 PM
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mcomer
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I read that if vehicles could be started in a default "Sport" mode then they would be tested for the EPA/CAFE
ratings in that mode...manufacturers would not want those ratings published would they? What is cool about
the Sport Mode setting in Lexus/Toyota Hybrids is that the normal 500v DC supplied to the Motor/Generator in
ECO and Normal mode is changed to 650v DC. Greater torque and response as we have all experienced.
Old 06-13-17, 04:21 PM
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NateJG
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Originally Posted by mcomer
... the normal 500v DC supplied to the Motor/Generator in
ECO and Normal mode is changed to 650v DC...
Please cite the source for the above.
Old 06-13-17, 08:51 PM
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roy7777
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Originally Posted by lexusrus
(2013 RX450h technically did not have "FSports").
Actually only US version of 2013 RX450h did not have F-Sport. It did have 2013 RX450h F-Sport in Asia and Europe.
Old 06-14-17, 05:38 AM
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Clutchless
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I recall reading about the Sport mode or Power mode increased voltage in car reviews of various Lexus hybrids.
Old 06-15-17, 07:23 PM
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NateJG
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I recall reading that the a/c voltage was lowered when in ECO; but the thought that there'd be increased performance in Sport vs ECO and Normal (or whatever the middle one is called) is kind of exciting.

Sport is too "rubber band-like" for me in normal driving; however I like the "squirt" when in congested high-speed traffic.
Old 06-16-17, 12:27 PM
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lexusrus
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Yes, I'm in the US OF A.

BTW, overseas Asia Lexus vehicles cost a lot more, but better equipped.


Originally Posted by roy7777
Actually only US version of 2013 RX450h did not have F-Sport. It did have 2013 RX450h F-Sport in Asia and Europe.
Old 06-16-17, 01:17 PM
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lexusrus
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http://pressroom.lexus.com/releases/...port+aug12.htm

https://www.google.com/amp/www.caran...0-f-sport-news

https://www.google.com/amp/s/www.new...-lexus-rx/amp/

"The 2013 RX 450h includes a new Sport mode that changes the steering effort, throttle mapping and transmission shifting.".

No particular "specs" on these websites​ though.


Originally Posted by NateJG
Please cite the source for the above.

Last edited by lexusrus; 06-16-17 at 06:58 PM.
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NateJG (06-16-17)
Old 06-16-17, 06:51 PM
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NateJG
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Sincere thanks for the effort; but while I admit I didn't read every period and apostrophe, I didn't see anything about extra voltage (or power) when in Sport mode.

I agree that the 'feel' in Sport is more responsive; but from everything I've read, there's 295 HP available in each of the three modes (ECO, Normal, Sport) - and/but that when in ECO, the system favors engine-off; and the A/C has reduced capacity due to lower voltage being sent to the Compressor (with resultant reduced efficiency).

Did I overlook something in your post?

Thank you
Old 06-16-17, 07:00 PM
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lexusrus
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No specs mentioned. Must be top secret at the Lexus HQ!!! LOL

Originally Posted by NateJG
Sincere thanks for the effort; but while I admit I didn't read every period and apostrophe, I didn't see anything about extra voltage (or power) when in Sport mode.

I agree that the 'feel' in Sport is more responsive; but from everything I've read, there's 295 HP available in each of the three modes (ECO, Normal, Sport) - and/but that when in ECO, the system favors engine-off; and the A/C has reduced capacity due to lower voltage being sent to the Compressor (with resultant reduced efficiency).

Did I overlook something in your post?

Thank you
Old 06-16-17, 07:19 PM
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mjeds
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highly doubt sport can be made a default, it's an EPA thing..
Old 06-17-17, 10:04 AM
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Clutchless
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In this interview with the CT200h chief engineer he says the voltage increases from 500 to 650 in sport mode. The CT200h has the Prius engine. However, I wonder if all Lexus hybrid vehicles have similar set ups https://lexusenthusiast.com/2010/04/...hief-engineer/
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Old 03-09-18, 01:33 AM
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tempestv8
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My Australian spec RX450h also does not retain the "Sport Mode" after turning off the ignition. However, it "remembers" to leave Eco Mode enabled after a shutdown.

If the voltage delivery from the traction battery is upped whilst in Sport Mode, I wonder if this has a long term effect of reducing the life of the battery, as it is asked to do more....

I do like the enhanced responsiveness of Sport Mode - it seems to drive more like an RX350, in terms of responsiveness. I still don't understand how an RX450h can have faster 0-60 mile time than the RX350, as the tip in from standing start is so leisurely all the time. But I digress, because even "normal mode" makes me drive far more sedately and smoothly, and ultimately this saves fuel.
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