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Electronic Stability Control (ESC) on or off?

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24K views 10 replies 7 participants last post by  debyne  
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#1 ·
From a separate thread, I just learned about our ability to turn off ESC. So, I went into my car manual and learned more about it. Apparently, you can shut off ESC in two stages: (1) press it once and it shuts off engine stability control (whatever that means) and leaves brake control on, and (2) hold it for 3 seconds and it shuts off both engine and brake stability control. I also believe turning this off could save the brakes as well as increase MPG since you're not messing with momentum.

Our SF is actually my wife's so I haven't had a chance to test it out yet, but I'm wondering if anyone on this forum has tested the difference. When I've driven my wife's SF, I *think* I can feel the ESC sometimes kicking for normal driving like going down steep hills and having taken some corners, but maybe it's my imagination.

Thoughts on this?
 
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#4 ·
Makes sense...so much for that idea. I do notice that when I'm coasting down a hill, I feel like the engine/tranny really keeps the car from coasting faster more than my other cars, which I wish wouldn't happen. I thought maybe that could be ESC, but it's probably just the gearing since I coast more freefall when in neutral.
 
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#5 ·
The car doesn't know you are coasting down a hill so the auto box is programmed to have you in a gear where you will get response from the engine should you need to accelerate, if you the tranny is in overdrive and the engine rpms are down you'll not get a lot of instant power with low boost and a small displacement engine.
Have you tried the manual control mode of shifting or whatever they call it - the situation you describe may be one where it is of some use.
 
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#11 ·
I figured out why the car wasn't coasting downhill like I wanted it to. ECO mode was off. If ECO mode is off, it keeps the car downshifted to provide more power (higher rpms) if needed. Since I usually drive the car like a granny, I want better coasting to stoplights, etc so I get better mpgs using the momentum of the car. If I put eco mode on, I get that reaction from the car. I can't believe I didn't think of this before.
 
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