You can feel the VDC engage with a cacaphony of ABS chatter (the SLIP light turns on too). On dry roads, it would pretty difficult to engage the VDC, but on the snow, its very easy. Take a corner while accelerating and the rear out comes out almost immediately.hfelknor said:How do you guys know the VDC is working?
I drove a BMW 2 or 3 years ago with their Dynamic Control and my reactions were much different than yours.
What I didn't like about it was that it was very FAST to go into control.
It was virtually impossible to kick the rear end out.
It took the driving right away from you and SLOWED you down fairly dramatically.
I did NOT like it, but I suppose it was safe.
That is not what is happening here.
How do you know that the VDC is working CORRECTLY?
The VDC system includes traction control and the tire pressure monitoring system. The AWD is separate from VDC, and functions automatically whether you have VDC or not. However, AWD doesn't do much if you are spinning out a turn, that is what VDC compensates for.trevmiesterj said:My question is this:
Our MO does not have VDC although it does have AWD. The '04 on the lot we wanted simply did not have it, and my wife and I didn't want to wait. What I want to know is if traction control is considered VDC or is the tag for the system that kicks in the AWD when it feels slippage. Or is traction control an added addition to functionality of the AWD?
Anyway, I would be nice to have it, but since I don't I stepped up and purchased 17's with snow tires. The MO performed beautifully over the weekend during our winter storm here in the mountains of Idaho. I suspect it would have been better with a VDC system, but it was pretty dang bomber with the tires-very difficult to break loose upon revving turns in packed snow and uneven slush.
If there were no laws, I would get myself a helmet and a fire suit when driving this thing-I so want to lead foot it when I am behind the wheel in any conditions...
Nope. Traction control is what prevents your wheels from spinning when you stomp on the gas in snow or on any slippery surface. VDC applies brakes and/or controls engine output to control the rear end if it starts to take off sideways. There are quite a few vehicles with traction control and no VDC. On my Acura 3.2 they call it VSA which is basically the same thing as VDC, except Acura calls it Vehicle Stability Assist. If I turn off the VSA on my Acura, I still have traction control but will no loger have automated control if the rear end swing out. Get it now?I have got it now. Vehicle Dynamic Control is the name of the system that provides traction control.