navigation update GMC YUKON XL DENALI 2005 Owners Manual

To change the hours and minutes on the clock,
do the following:
1. Touch the Manual Adjust screen button.
2. Touch the up or down arrow screen buttons to
increase or decrease the hours and minutes.
3. Touch the Back screen button to return to the
previous screen.
12Hr/24Hr:This feature allows you to choose whether
the time is displayed in standard or military time.
Touch the 12Hr screen button for standard time or the
24Hr screen button for military time.
Auto GPS Update:With this feature on, the navigation
system time will be set to match the current GPS
time. The time will be updated with the GPS time when
the ignition is turned on. You may also touch the Off
screen button to turn this feature off.Daylight Savings:With this feature on, the navigation
system will automatically adjust the time for Daylight
Savings. You may also touch the Off screen button to
turn this feature off.
Time Zone:This feature allows you to choose from
ve different time zones: HST (Hawaii), PST (Pacic),
MST (Mountain), CST (Central), and EST (Eastern).
Touch the desired time zone screen button to select it.
Display Off
To turn the navigation screen off, touch the Disp Off
screen button on the Congure menu. To turn the
screen back on, press any hard key to the left of the
navigation screen.
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Problems with Route Guidance
Inappropriate route guidance may occur under any of
the following conditions:
You have not turned onto the road indicated by
the system.
Route guidance is not available for the next turn.
The route is not changed during automatic rerouting.
Plural names of places are displayed.
You are driving at high speeds, which may cause
the automatic rerouting to operate more slowly.
The route prohibits the entry of a vehicle due to a
regulation by time or season or any other regulation
which may be given.
A route cannot be found.
A road is new, was recently changed or is not listed
on the DVD. The route to the destination may not
be shown. SeeOrdering Map DVDs on page 2-36.
If the System Needs Service
If you are still experiencing difficulty with your navigation
system after reading this information, see your dealer
for assistance.
Ordering Map DVDs
The map DVD in your vehicle is the most up-to-date
information available when your vehicle was purchased.
The map DVD is updated periodically, provided that
the map information has changed. To order a new map
DVD, contact your dealer.
Database Coverage Explanations
Coverage areas vary with respect to the level of map
detail available for any given area. Some areas will
feature greater levels of detail than others. If this
happens, it does not mean there is a problem with the
system. As the map DVD is updated, more detail
may become available for areas which previously had
limited detail. SeeOrdering Map DVDs on page 2-36.
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