See also:

Recommended Fuel
Use regular unleaded gasoline with a posted octane rating of 87 or higher. If the octane rating is less than 87, an audible knocking noise, commonly referred to as spark knock, might be heard when d ...

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 ...

Airbag System
The vehicle has the following airbags: - A frontal airbag for the driver. - A frontal airbag for the front outboard passenger. - A seat-mounted side impact airbag for the driver. - A seat-mounte ...