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.
Chevrolet Cobalt Owners Manual. Automatic Transmission Fluid
It is not necessary to check the transmission fluid level.
A transmission fluid leak is the only reason for fluid
loss. If a leak occurs, take your vehicle to a dealer/
retailer and have it repaired as soon as possible.
Change the fluid and filter at the intervals listed in the
Maintenance Sche ...