Chevrolet SS Sedan 2015 Owner's Manual page 189

7-48 Infotainment System
The No GPS symbol appears when
there is no Global Positioning
System (GPS) satellite signal.
This symbol at the bottom of a map
screen changes the current map
mode screen.
This symbol on the right of the map
screen displays the speed limit
while on a route. The speed limit
may not be accurate due to
changes from the Department of
Transportation, the local
municipalities or older map data.
Always follow the posted speed limit
on the road.
Driving on a Route
Urgent Maneuver Alert
The system will give an indication
that the next maneuver is close.
Driving on a Highway
Driving on a Residential Road