Three Subaru systems work in concert to assure that you get a grip - and keep it. They are: VTD, VDC and TCS. Here's how to decode the alphabet soup:
Variable Torque Distribution is Subaru's latest all-wheel-drive system. VTD splits the power almost equally among all four wheels, all the time. (Other Subarus put 90% of the power to the front tires, shifting to all four when traction is poor.)
Vehicle Dynamics Control, or VDC, is Subaru's new stability control system. This system monitors the angle of the steering wheel, throttle position, brakes and other inputs while the car is in motion, then makes adjustments if you're steering in a different direction from where the car is heading.
The Traction Control System comes into play only if all-wheel drive doesn't right your course. This traction control system applies brakes and/or reduces engine power to reduce wheel spin to help you keep your footing.
The net effect to the driver is a sophisticated system that enhances driver control in poor conditions. This is not to say that you won't ever get into trouble if you encounter bad road conditions or exercise poor judgment. But, it is reassuring to know that the Subaru system is there to help you maintain control, when foul weather or ragged roads make for rough sledding. Subaru's technology also helps make driving in adverse weather much easier, less stressful and more enjoyable. Next Page