Vehicles with a limited-slip differential can give more traction on snow, mud, ice, sand or gravel. It works like a standard axle most of the time, but when traction is low, this feature allows the drive wheel with the most traction to move the vehicle. The limited slip design has minimal impact to the steering feel, but boosts the traction performance under all conditions.
Enhanced Traction System (ETS)
SteeringChevrolet Cobalt Service & Repair Manual. Transmission Oil Cooler Line, Flush
Warning: Wear eye protection.
Wear standard industrial rubber gloves.
Warning: Keep lit cigarettes,
sparks, flames, and other ignition sources away from the area to prevent
the ignition of combustible liquids and gases. Keep a "Class B" fire
extinguisher ...