IS - 3rd Gen (2014-present) Discussion about the 2014+ model IS models

Manual mode quest/info

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Old 03-29-14, 10:06 PM
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spotxc
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Default Manual mode quest/info

While I've found out that in manual mode, it'll shift at redline by itself, is it bad to constantly let the car shift by itself at redline in manual mode. Reason is when I'm flooring it in this mode and I go to shift at redline, sometime it shifts right before I shift and I jump from like 2nd to 4th which kills my acceleration. Also is there any way to say jump down like 3 gears in manual without tapping the down paddle 3 times. Can u hold it? When I'm in the mood for some spirited driving, I actually find driving around in manual mode more exciting than sport mode itself because I'm able to keep it in what gear I want to and keep the rpms higher.
Old 03-29-14, 10:56 PM
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JCWong
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I think Sport+ is the only mode you can stay @ a certain rpm as long as you want and not kick you into another gear. Someone might want to verify that?
Old 03-30-14, 05:07 AM
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corradoMR2
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To the OP, the behavior sounds the same with the 6-speed AWD in which case here's my opinion on it.

The car can handle full-throttle acceleration runs whether you let the car shift in M mode on its own to redline or you shift. However, I wouldn't be driving like this often daily for many obvious reasons (fuel, engine/tranny/exhaust/brake stresses, high-speed/dangerous, etc).

When you manually control the shift though as you've discovered, you must do it just shy of the manual shift (100-200 rpm earlier) to hit the next gear otherwise you'll skip two gears if you wait to redline. On downshift, unfortunately it must go through each gear sequentially so you can't have the tranny physically skip from say gear 7 to 4 immediately without going through 6 and 5 first. I find myself wishing for this on several occasions even under normal city driving when you want a little more engine braking more quickly applied.
Old 03-30-14, 10:23 AM
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4TehNguyen
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Originally Posted by JCWong
I think Sport+ is the only mode you can stay @ a certain rpm as long as you want and not kick you into another gear. Someone might want to verify that?
Sport does this too, Sport+ is just more aggressive
Old 03-30-14, 02:17 PM
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Im2bz2p345
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Hi spotxc. There are a lot of misconceptions about the manual behavior of the car and it's shifting patterns.

Calling it "manual mode" is a false pretense imho. This topic was discussed in detail here: https://www.clublexus.com/forums/is-...nual-mode.html

For true logic purposes, I would prefer to call it "semi manual" mode. After you have read through the topic that I linked, I am sure you will agree.

FYI - I might have invoked a lot of backlash in the aforementioned topic due to my love for high revving vehicles and be able to hold a gear close to redline, but it was a very important and detailed discussion that we had on the forum.

I hope it helps with your understanding of the original question. By the way, you can also read bhvrdr (Mike's) experience with tracking this car as he mentions the drivetrain and talks about shift behavior during sprinted driving as well: https://www.clublexus.com/forums/is-...0-at-pbir.html

~ Im2bz2p345

Last edited by Im2bz2p345; 03-30-14 at 02:24 PM.
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