See also:

Under the Hood
A 3.5-liter V-6 produces 201 horsepower in front-wheel-drive Terrazas, and 196 hp in all-wheel-drive models. The new 3.9-liter V-6 features variable valve timing and develops 240 hp and 240 pounds ...

Radiator Pressure Cap
Notice: If the pressure cap is not tightly installed, coolant loss and possible engine damage may occur. Be sure the cap is properly and tightly secured. ...

How OnStar® Service Works
In order to provide you with OnStar® services, your vehicle’s OnStar® system has the capability of recording and transmitting vehicle information. This information is automatically sent to an ...