Cadillac 2007 XLR Owner's Manual page 268

Intersection
This destination entry method allows you to select
a destination by inputting the intersecting roads
you wish to travel to.
To enter an intersection, do the following:
1. Touch the Intersection symbol.
2. Using the alpha keypad, enter the name of
the first street in the intersection.
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3. To view a list of choices, touch List or
continue to spell the name to further reduce
the list of available items. The system will
display a list of the intersecting streets if the
number of intersecting streets is five or less.
4. Select the first street.
5. Now enter the second street name.
6. Select the second street name from the list of
intersecting streets. To view a list of choices,
touch List or continue to spell the name to
further reduce the list of available items. The
system will display a list of intersecting
streets if the number of intersecting streets is
five or less.
If there are multiple intersections with the
same two roads, the system will display a list
of cities to choose from. Choose a city
from this list. A map with the intersections for
that city will appear.
7. Touch Enter to plan your route.