2015 Ford Mustang Owner Manual Printing 1 - Page 142
2015 Ford Mustang Manual
Page 142 highlights
Rear Axle LIMITED SLIP DIFFERENTIAL This axle provides added traction on slippery surfaces, particularly when one wheel is on a poor traction surface. Under normal conditions, the limited-slip axle functions like a standard rear axle. The axle may exhibit a slight noise or vibration during tight turns with low vehicle speed. This is normal behavior and indicates the axle is working Traction-Lok™ and TORSEN™ Axles (if equipped) (If Equipped) These axles provide improved traction on slippery and loose surfaces, particularly when one wheel is on a poor traction surface. Under normal conditions, these axles function like a standard rear axle. Extended use of tire sizes other than the manufacturer's specified tire size on these axles could result in a permanent reduction in effectiveness. This loss does not affect your normal driving and should not be noticeable. 139 Mustang (), enUSA, First Printing