OnStar®

OnStar® uses several innovative technologies and live advisors to provide a wide range of safety, security, navigation, diagnostics, and calling services.
See also:
OnStar Personal Identification
Number (PIN)
A PIN is needed to access some of
the OnStar services, like Remote
Door Unlock and Stolen Vehicle
Assistance. You will be prompted to
change the PIN the first time when
speaking with an Advi ...
Tire Terminology and Definitions
Air Pressure: The amount of
air inside the tire pressing
outward on each square inch of
the tire. Air pressure is
expressed in kPa (kilopascal)
or psi (pounds per square inch).
Accessory We ...
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 ...
