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:
Maintenance Replacement Parts
Replacement parts identified below by name, part number, or specification can
be obtained from your dealer.
...
Engine Oil Pressure Light
WARNING
Do not keep driving if the oil pressure is low. The engine can become so hot
that it catches fire. Someone could be burned. Check the oil as soon as possible
and have the vehicle servic ...
Driving on Grades
Reduce speed and shift to a lower
gear before starting down a long or
steep downgrade. If the
transmission is not shifted down, the
brakes might have to be used so
much that they would get h ...