OnStar Additional Information

See also:

Manual Transmission Fluid
It is not necessary to check the manual transmission fluid level. A transmission fluid leak is the only reason for fluid loss. If a leak occurs, take the vehicle to your dealer service department and ...

Under the Hood
A 291-hp, 4.2-liter inline-six-cylinder is standard, and a 300-hp, 5.3-liter V-8 is optional. A four-speed automatic is the sole transmission. ...

Headlamp Delay
Press the customization button until HEADLAMP DELAY: 10 SEC appears in the display. To select your preference for how long the headlamps will stay on when you turn off the vehicle, press the selec ...