Vehicle Positioning; Problems With Route Guidance - Cadillac CT6 CUE 2017 Manual

68 NAVIGATION

Vehicle Positioning

At times, the position of the vehicle
on the map could be inaccurate due to
one or more of the following reasons:
The road system has changed.
The vehicle is driving on slippery
road surfaces such as sand, gravel,
or snow.
The vehicle is travelling on
winding roads or long, straight
roads.
The vehicle is approaching a tall
building or a large vehicle.
The surface streets run parallel to
a freeway.
The vehicle has been transferred
by a vehicle carrier or a ferry.
The current position calibration is
set incorrectly.
The vehicle is travelling at high
speed.
The vehicle changes directions
more than once, or the vehicle is
turning on a turn table in a
car park.
The vehicle is entering and/or
exiting a car park, garage, or a car
park with a roof.
The GPS signal is not received.
A roof carrier is installed on the
vehicle.
Tyre chains have been installed.
The tyres are replaced or worn.
The tyre pressure is incorrect.
This is the first navigation use
after the map data is updated.
The 12-volt battery has been
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