See also:

Active Fuel Management®
Vehicles with V8 engines may have Active Fuel Management™. This system allows the engine to operate on either all or half of its cylinders, depending on the driving conditions. When less power is ...

What to Use
To determine what kind of fluid to use, see Recommended Fluids and Lubricants  . Always use the proper fluid. Notice: Use of the incorrect fluid may damage the vehicle and the damages may not ...

Interior Quality & Comfort
The CTS' cabin quality has held up well since this generation first hit the road as a 2008 model, and it's still competitive against newer entrants like the 535i and M37. Among the highlights are ...