Page 19 of 88
Buick Infotainment System (GMNA-Localizing-U.S./Canada-10999317) -
2018 - CRC - 7/31/17
18 Radio
Multi-Band Antenna
The roof antenna is for SiriusXM
Satellite Radio, OnStar and GPS
(Global Positioning System). Keep
clear of obstructions for clear
reception. If the vehicle has a
sunroof, and it is open, reception
can also be affected.
Page 30 of 88

Buick Infotainment System (GMNA-Localizing-U.S./Canada-10999317) -
2018 - CRC - 7/31/17
Navigation 29
Audio Information
Touch to turn the audio information
view on or off from the main
map view.
The audio status display contains:
.Station Frequency
. Artist Information
. Song Information
.
r/jor Station and Channel
Controls
Press the
g,7ord,6station
controls to go to the next or
previous strong signal station or
digital channel.
When the audio status pane
displays Artist and Song
information, press
g,7ord,6
to go to the next or previous track
based on the current media mode. Day/Night Mode
Touch to access the Day/Night
Mode menu.
The options are:
.
Day Mode: Brightens the map
background.
. Night Mode: Darkens the map
background.
. Auto: Adjusts the display
background automatically
depending on the exterior
lighting conditions. Routing Preferences
Touch the Routing Preferences
option to access the Routing
Preferences menu. Options on how
the routes are created for route
guidance are listed on this menu.
Route Style
Touch this option to change the
route type preferences.
The options are:
.
Fast (default)
. Eco Friendly (if equipped)
. Short
. Configure Eco Profile
The Configure Eco Profile can be
used to configure two parameters
for the Eco Friendly route. These
parameters are roof load and trailer.
For each parameter, the options are
None, Small, Medium, and Large.
Touch to scroll through the list. The
default for both is None.
These preferences are used for all
routes generated.
Page 51 of 88

Buick Infotainment System (GMNA-Localizing-U.S./Canada-10999317) -
2018 - CRC - 7/31/17
50 Navigation
.The vehicle changes directions
more than once, or the vehicle is
turning on a turn table in a
parking lot.
. The vehicle is entering and/or
exiting a parking lot, garage, or a
lot with a roof.
. The GPS signal is not received.
. A roof carrier is installed on the
vehicle.
. Tire chains have been installed.
. The tires are replaced or worn.
. The tire pressure for the tires is
incorrect.
. This is the first navigation use
after the map data is updated.
. The 12-volt battery is
disconnected for several days.
. The vehicle is driving in heavy
traffic where driving is at low
speeds, and the vehicle is
stopped and started repeatedly.Problems with Route
Guidance
Inappropriate route guidance can
occur under one or more of the
following conditions:
.The turn was not made on the
road indicated.
. Route guidance might not be
available when using automatic
rerouting for the next right or
left turn.
. The route might not be changed
when using automatic rerouting.
. There is no route guidance when
turning at an intersection.
. Plural names of places might be
announced occasionally.
. It could take a long time to
operate automatic rerouting
during high-speed driving.
. Automatic rerouting might
display a route returning to the
set waypoint if heading for a
destination without passing
through a set waypoint. .
The route prohibits the entry of a
vehicle due to a regulation by
time or season or any other
regulation which may be given.
. Some routes might not be
searched.
. The route to the destination
might not be shown if there are
new roads, if roads have
recently changed, or if certain
roads are not listed in the map
data. See Maps032.
To recalibrate the vehicle's position
on the map, park with the vehicle
running for two to five minutes, until
the vehicle position updates. Make
sure the vehicle is parked in a
location that is safe and has a clear
view of the sky and away from large
obstructions.
If the System Needs
Service
If the navigation system needs
service and the steps listed here
have been followed but there are
still problems, see Problems with
Route Guidance 050.