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Diagnostics
OnStar Vehicle Diagnostics will perform a vehicle check every month. It will check the engine, transmission, antilock brakes, and major vehicle systems. It also checks the tire pressures, if the vehic ...

Under the Hood
195-horsepower, 4.3-liter V-6 with iron block and cylinder heads, cam-in-block, two valves per cylinder and 260 pounds-feet of torque 302-hp, 4.8-liter V-8 with iron block and aluminum cylinder hea ...

Overview
All-new 2010 GMC Terrain makes its world debut at the 2009 New York International Auto Show. The GMC Terrain is a five-passenger crossover SUV that blends bold styling with fuel efficiency and pre ...