need help.

[fernando47]

does anyone know what the vsa button on a si is for?

[urge31121@hotmail.com]

Originally Posted by fernando47

does anyone know what the vsa button on a si is for?

Are you serious? This has to be a joke...VSA is the new Vehicle Stability Assist system on the 07 Si's. It helps out if you lose traction on the road, to keep the car balanced and in control...maybe you should read your owner's manual. I can't believe your salesman didn't tell you about VSA, it's a brand new feature.

[fernando47]

Originally Posted by urge31121@hotmail.com

Are you serious? This has to be a joke...VSA is the new Vehicle Stability Assist system on the 07 Si's. It helps out if you lose traction on the road, to keep the car balanced and in control...maybe you should read your owner's manual. I can't believe your salesman didn't tell you about VSA, it's a brand new feature.

yea. thanks
one more question.
when it comes to racing, is it better if vsa is off or on?

[Seemund]

OFF

[fernando47]

Originally Posted by Seemund

OFF

thats how it work better for you?
i raced a 2003 sentra ser spec v
and i lost. i couldnt believe it. i guess it was because of that.
you think?

[hiphopaddict]

Originally Posted by Seemund

OFF

I don't see why it would make a difference. Please explain.

[fernando47]

i dont know. it jsut does.
does someone know why?>

[BATANG CITY JAIL]

Originally Posted by fernando47

thats how it work better for you?
i raced a 2003 sentra ser spec v
and i lost. i couldnt believe it. i guess it was because of that.
you think?

i dont have an 07 but i guess the VSA will turn off once you hit v-tec. and the nissan spec-v can pull harder than the SI..

[fernando47]

have you raced a sentra?

[marc-o-lishuz]

Is this a "how to race" thread?

[BATANG CITY JAIL]

Originally Posted by marc-o-lishuz

Is this a "how to race" thread?

street racing not allowed ryt?? j/k..lol

[Jaranath]

Originally Posted by hiphopaddict

I don't see why it would make a difference. Please explain.

First, I gently remind everyone that yes, a little bit of time spent using the search engine and reading the resulting threads will typically answer the question before you ever post a thread, and will typically save you time vs. monitoring and posting replies into your thread. Also, this thread probably belongs in the Si forum.

In other words, this has been discussed there in some detail before.

Now, to the above: Yes, it will generally (though not always, depending on the VSA and the vehicle) make a positive difference in performance to switch VSA off. VSA monitors the car's behavior, and if it thinks the car is about to lose control (slide, spin, rollover, etc.) it will apply braking to one or all of the wheels and/or override your throttle commands to a certain degree. In my limited experience, VSA shows up as an abrupt and perplexing lack of power and engine responsiveness during a hard turn, wherein you can mash the throttle to the floor and the car will just stare at you blankly.

It works really good at keeping you on the road and oriented in the right direction, and I very much wish my '06 had it for my own safety, since you often don't know when you're about to lose control. But since most vehicles have pretty aggressive VSA, the VSA can rob you of racetrack performance by cutting in "too early." Your car may in fact be able to take a track turn 10% (to invent a number) faster, without losing control, than VSA will allow you to do. Under nearly all daily driving circumstances, even "hot rodding" occasionally, you won't notice VSA (again, unless it's really really aggressive.) It doesn't activate until needed, so it doesn't decrease power until then.

In a few rare sports cars, VSA and traction control may be an advantage, helping you maintain control at the bleeding edge where a human normally can't...see at least one prominent auto mag's article about the Ferrari they crashed when they decided they knew better than the car's stability control.