Navigation
OnStar navigation requires the Directions and Connections service plan.
Push 
to receive directions or have
them sent to the vehicle navigation screen. Destinations can also be forwarded to
the vehicle from Google Maps™ or MapQuest.com. The OnStar mapping database is continuously
updated. Visit www.onstar.com for coverage maps.
See also:
Cooling System
If the vehicle has the Duramax® Diesel engine, see the Duramax® Diesel Supplement for more information.
The cooling system allows the engine to maintain the correct working temperature.
5.3 L En ...
Exterior Lamp Controls
Exterior Lamp Controls
The exterior lamps control is located on the instrument panel to the left of the steering wheel.
It controls the following systems:
• Headlamps
• Taillamps
• Parkin ...
Using the Radio to Control a USB Storage Device or iPod
The radio can control a USB storage device or an iPod using the radio buttons and knobs and display song information on the radio’s display.
(Tune): Turn to select files.
SEEK: Press to go to th ...