2012 Buick LaCrosse Navigation System

Setting the Clock
To set the time:
1. Press CONFIG to enter the
menu options. Turn the SELECT
knob to scroll through the
available setup features. Press
the SELECT knob or press the
Time screen button to obtain
more options within that feature.
2. Press the Hours and
Minutes – and + signs to
decrease and to increase
the time.
12/24 HR Format: Select the
12 HR screen button for standard
time; select the 24 HR screen
button for military time.
Day + or Day −: Press the day + or
day − display buttons to increase or
decrease the day that is showing on
the clock.
Global Positioning
System (GPS)
The position of the vehicle is
determined by using satellite
signals, various vehicle signals,
and map data.
At times, other interferences such
as the satellite condition, road
configuration, the condition of the
vehicle and/or other circumstances
can interfere with the navigation
system's ability to determine the
accurate position of the vehicle.
The GPS shows the current position
of the vehicle using signals sent by
the GPS Satellites of the United
States Department of Defense.
When the vehicle is not receiving
signals from the satellites, a symbol
appears on the map screen. See
Navigation Symbols on page 58.
Infotainment System 87
This system might not be available
or interferences can occur if any of
the following is true:
. Signals are obstructed by tall
buildings, trees, large trucks,
or a tunnel.
. Satellites are being repaired or
improved.
For more information if the GPS is
not functioning properly, see If the
system needs service and Problems
with Route Guidance.