![background image](http://html1.mh-extra.com/html/gmc/2011-full-size-truck-navigation-system/2011-full-size-truck-navigation-system_user-manual_2235627056.webp)
56
Infotainment System
To delete the entire address book:
1. Select the MENU control button.
2. Select the Nav screen button.
3. Select the
*
screen button.
4. Select the address book entry to
delete.
5. Press and hold Delete until the
delete all address book entries
pop-up confirmation displays.
Select Yes to delete; select No
to cancel the operation.
Map Database Information
To change the map DVD and to
view the coverage areas of the
map DVD:
1. Press the MENU control button.
2. Select the Nav screen button.
3. Select Map Database
Information.
Change:
Press to eject or change
the map DVD. The screen tilts,
exposing the map DVD slot and,
if loaded, the map DVD will eject.
Pull the map DVD out. Insert the
map DVD partway into the slot.
The system pulls it in.
A. Map DVD Slot
Once the map DVD is loaded press
the Close screen button. The screen
closes.
Once the screen is closed press OK
to proceed to the navigation system.
See
Using the Navigation System
on page 41
.
Summary of Contents for 2011 Full-Size Truck Navigation System
Page 2: ......