See also:

Emissions Inspection and Maintenance Programs
Some local governments may have programs to inspect the on-vehicle emission control equipment. For the inspection, the emission system test equipment is connected to the vehicle’s Data Link Connec ...

Under the Hood
Base models get a 200-horsepower, 2.5-liter four-cylinder engine with direct injection. A 270-hp, turbo 2.0-liter four-cylinder will be optional, as will Cadillac's familiar 318-hp, 3.6-liter V-6. ...

Engine Air Cleaner/Filter
See Engine Compartment Overview for the location of the engine air cleaner/filter. When to Inspect the Engine Air Cleaner/Filter Inspect the air cleaner/filter at the scheduled maintenance inte ...