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Global Positioning
System (GPS)
If equipped, the position of the
vehicle is determined by using
satellite signals, various
vehicle signals, and map data.
At times, other interference
such as the satellite condition,
road configuration, condition
of the vehicle, and/or other
circumstances can affect 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 GPS satellites.
When the vehicle is not
receiving signals from the
satellites, a symbol appears in
the status bar.
This system might not be
available or interference can
occur if any of the following
are 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 Problems with
Route Guidance 0 184 and
If the System Needs Service
0 184.
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 traveling 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.
Infotainment System
The vehicle has been
transferred by a vehicle
carrier or a ferry.
The current position
calibration is set incorrectly.
The vehicle is traveling at
high speed.
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 are installed on
the vehicle.
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.
183
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