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The Elephant
GMC has long combined ruggedness and elegance to good effect — consider the Sierra pickup and Acadia crossover, for example. But the Terrain is one odd duck. GM says it shares just a few body pa ...

Special Application Services
• Severe Commercial Use Vehicles Only: Lubricate chassis components every 5 000 km/3,000 mi. • Have underbody flushing service performed once a year. ...

Rear Window Lockout
The rear window lockout feature prevents the rear passenger windows from operating, except from the driver position. Press to activate the rear window lockout switch. The LED light comes on when a ...