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New for 2011
The Sierra Hybrid gets GM's OnStar 9.0 telematics system that GM says provides better voice recognition. GM also said they have worked to cut down on the amount of wind noise occupants hear. ...

When to Add Engine Oil
2.4L L4 Engine 3.0L V6 Engine If the oil is below the cross-hatched area at the tip of the dipstick, add 1 L (1 qt) of the recommended oil and then recheck the level. See “Selecting the Righ ...

Steering in Emergencies
• There are some situations when steering around a problem may be more effective than braking. • Holding both sides of the steering wheel allows you to turn 180 degrees without removing a hand. ...