Other Navigation Services Available from OnStar
OnStar eNav: Allows subscribers to send destinations from Google Maps™ and MapQuest.com to their Turn-by-Turn Navigation or screen-based navigation system. When ready, the directions will be downloaded to the vehicle.
Destination Download: Push 
, then
request the Advisor to download directions to the navigation system in the vehicle.
After the call ends, push the “Go” button on the navigation screen to begin driving
directions. Destinations can also be downloaded on the go. For information about
eNav, Destination Download, and coverage maps visit www.onstar.com.
See also:
Washing the Vehicle
To preserve the vehicle's finish, wash it often and out of direct sunlight.
Notice: Do not use petroleum based, acidic, or abrasive cleaning agents as they
can damage the vehicle's paint, m ...
Owner Checks and Services
At Each Fuel Stop
○ Check the engine oil level. See Engine Oil on page 10‑10.
Once a Month
○ Check the tire inflation pressures. See Tire Pressure on page 10‑51.
○ In ...
Features
The Denali comes with a long list of standard equipment to please passengers:
Heated leather front seats, a Bose stereo with a six-disc CD changer, XM
Satellite Radio and a three-zone air-conditio ...