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How and when do you use S mode?

Discussion in '5th Gen 4Runners (2010-2024)' started by toys4all, May 19, 2021.

  1. Feb 12, 2024 at 5:21 AM
    #121
    jeffreydmc

    jeffreydmc New Member

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  2. Feb 12, 2024 at 5:22 AM
    #122
    jeffreydmc

    jeffreydmc New Member

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    Can someone give an example of times when I would want to use S5? I read my owner's manual but I'm still not getting it. I understand that S5 means that the highest gear the engine will shift into is 5th, I believe, but I'm trying to imagine a practical use for this feature. If I'm in S5, does the truck perform better?
     
    Thatbassguy likes this.
  3. Feb 12, 2024 at 6:19 AM
    #123
    Thatbassguy

    Thatbassguy New member? Really??

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    You'll get more engine braking in S mode, so it's good for towing. I usually recommend S4 for towing, but I'll use S5 with a light trailer as long as it's not downshifting too much.

    I also think the shifting changes slightly in S mode, but I can't really back that up with anything other than my experience. It seems to hold gears a tad longer before up-shifting.
     
  4. Feb 12, 2024 at 6:19 AM
    #124
    semprenissart

    semprenissart Mèfi

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    S5 is your overdrive so if you’re cruising on the highway at or around the speed limit and it’s fairly flat (no steep grades), S5 will give you the lowest rpm possible at that speed which results in best mpg and quietest inside the cabin.
     
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  5. Feb 12, 2024 at 6:34 AM
    #125
    Mully410

    Mully410 New Member

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    I use S2 or S3 when crawling on trails while in 4L. Keeps the torque ready if I need it and less shifting up and down.
     
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  6. Feb 12, 2024 at 7:13 AM
    #126
    Thatbassguy

    Thatbassguy New member? Really??

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    Same. And S1 for steep descents. Even in 4HI, I'll use S2 and S3 frequently.
     
  7. Feb 12, 2024 at 11:37 AM
    #127
    Startrek

    Startrek New Member

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  8. Feb 12, 2024 at 1:39 PM
    #128
    Pirate

    Pirate New Member

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    Pretty much what most replies have said, under 50 I'm in S4 mode once I hit hit 50 it's 5th.
     
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  9. Feb 12, 2024 at 1:48 PM
    #129
    glwood54

    glwood54 Stop making me buy stuff!

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    After I filled up last, I've been trying an experiment to stay in S4 around town unless I get on the freeway. I'm wondering if it will cause any measurable difference in mpg. The two small differences I've noticed about driving around city streets in S4: there's a quicker acceleration if you need to speed up for any reason, rather than the transmission having to kick out of overdrive first; and, I believe I've noticed cruising down 35 - 40 mph speed limit streets the engine is around 1500 rpm in S4 vs 1100 or so rpm in D.

    I hadn't paid much attention to S4 previously, as I don't tow anything.
     
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  10. Feb 12, 2024 at 2:37 PM
    #130
    jasonmcelroy

    jasonmcelroy Recovering perfectionist

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    Yep.

    SR5 version of crawl control ;-o
     
  11. Feb 12, 2024 at 2:45 PM
    #131
    Thatbassguy

    Thatbassguy New member? Really??

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    I actually like it better than crawl control. :D
     
    Last edited: Feb 12, 2024
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  12. Feb 12, 2024 at 6:03 PM
    #132
    Hans

    Hans New Member

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    Great thread.. thanks for the bump
     
  13. Feb 12, 2024 at 6:37 PM
    #133
    HazOpRed

    HazOpRed 22' TRDOR

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    S = Speed, just leave it in 2nd and give er bud
     
  14. Feb 12, 2024 at 7:58 PM
    #134
    gomiami

    gomiami I Bought a Luxury Station Wagon

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    One of these days, I'll use this feature on my GX. Every time I look at the shift knob I'm tempted but I'm still learning and not really in a mindset to start experimenting at the moment.
     
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  15. Feb 12, 2024 at 8:17 PM
    #135
    Hans

    Hans New Member

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    Coming from an FJ. Those gears are part of the mechanical shifter. And labeled on the box. D 4 3 2 1 The only time I used them was in Colorado and Utah to help control accents and decents. Don't really need them in flat Michigan. New to the 4runner Hadn't focused and where those went. Now I know. Should read the manual more. I'll have to try the city driving in 4th.
     
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  16. Feb 12, 2024 at 8:26 PM
    #136
    gomiami

    gomiami I Bought a Luxury Station Wagon

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    Tell me about it. I finally started reading my owner's manual,
     
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  17. Feb 12, 2024 at 8:28 PM
    #137
    4RunTM

    4RunTM New Member

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    I used S4 on my way home after reading this thread.
    It made a huge difference! (There’s a lot of hills and stop lights - city driving)

    The car felt more alive and responsive, I also found myself using the brakes a bit less. (It was just enough engine braking)

    So from what I’ve read it’s safe to say that commuting in S4 around town won’t hurt my transmission, correct?
     
    Last edited: Feb 12, 2024
    jeffreydmc and 2Toys like this.
  18. Feb 12, 2024 at 8:30 PM
    #138
    Thatbassguy

    Thatbassguy New member? Really??

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    Correct. One could argue that it will be easier on the transmission, because it won't be shifting and downshifting as frequently.
     
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  19. Feb 12, 2024 at 9:07 PM
    #139
    4runningMan

    4runningMan New Member

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  20. Feb 12, 2024 at 9:34 PM
    #140
    4RunTM

    4RunTM New Member

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  21. Feb 12, 2024 at 10:14 PM
    #141
    4runningMan

    4runningMan New Member

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    I’ve wondered this as well, based on the chart I referenced above. Maybe it’s just convenience- if one is actively taking advantage of S4 but occasionally wants 5th gear, retaining the option of going back to S4… it’s a little smoother than bumping it back over to Drive.

    It’s funny to me that there isn’t a detailed write up about this stuff to be found on the internet. And we’re going on decades lol.
     
    jeffreydmc[QUOTED] likes this.

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