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:
Service Parts Identification Label
This label, on the spare tire cover, has the following
information:
• Vehicle Identification Number (VIN)
• Model designation
• Paint information
• Production options and special equipme ...
Flash-to-Pass
To flash the high beams, pull the turn signal/lane change lever toward you, and release. ...
When to Add Engine Oil
If the oil is below the L mark for the L6 engine or
the cross-hatched area at the tip of the dipstick
for the V8 engine, you will need to add at least one
quart/liter of oil. But you must use the ...