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:
Owner Checks and Services
At Each Fuel Stop
- Check the engine oil level.
See Engine Oil.
Once a Month
- Check the tire inflation
pressures. See Tire Pressure.
- Inspect the tires for wear.
See Tire Inspection.
- Chec ...
High/Low—Beam Headlamps (Uplevel)
The high/low beam headlamps on the uplevel are High Intensity Discharge
(HID) and should be replaced at the dealer. ...
How to Reset the Engine Oil
Life System
Reset the system whenever the
engine oil is changed so that the
system can calculate the next
engine oil change. To reset the
system:
1. Using the DIC MENU button,
display OIL LIFE REMAININ ...