See also:

Engine & Transmission
The CTS comes standard with a 3.0-liter V-6 engine, but our test car's optional 3.6-liter V-6 and six-speed automatic transmission are a special pair among drivetrains. The transmission's shifts a ...

Fuels in Foreign Countries
Never use leaded gasoline or any other fuel not recommended in the previous text on fuel. Costly repairs caused by use of improper fuel would not be covered by the vehicle warranty. To chec ...

Tire Rotation and Required Services Every 12 000 km/ 7,500 mi
Rotate the tires, if recommended for the vehicle, and perform the following services. See Tire Rotation  . Check engine oil level and oil life percentage. If needed, change engine oil an ...