Vehicle and Power Issues
OnStar services require a vehicle electrical system, wireless service, and GPS satellite technologies to be available and operating for features to function properly. These systems may not operate if the battery is discharged or disconnected.
See also:
A Transformative Engine
You might be thinking, "How can GMC's compact pickup feel like a muscle car?"
Well, there's more to it than stuffing a 5.3-liter V-8 under the hood, but that
engine goes a long way towar ...
Reading Lamps
Press the button near each lamp to turn them on or off. ...
Power Steering Fluid
The power steering fluid reservoir is located under the engine cover on the passenger side of the vehicle.
See Engine Compartment Overview on page 10‑6 for reservoir location. ...