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GENERAL INFORMATION
3.12 INFORMATION SYSTEMS
3.12.1 NAVIGATION
A five-inch Thin Film Transistor screen mounted
in the instrument cluster projects color navigation
information into the center of the speedometer. The
information includes maps, turn identification, se-
lection menus and instructions. The system in-
cludes a variety of choices for selecting destina-
tions and routes.
The information is displayed in map format, as
turn by turn instruction or a combination of the
two. The system also provides audio prompts
through the vehicle's audio system. The systems
audio will override all other audio outputs, with
the exception of the Hands Free Cell Phone, to the
front speakers that are active at the same time.
Spoken prompts are recordings of a human voice.
The system uses a Global Positioning System
(GPS) antenna mounted under the instrument
panel to collect satellite data to compute the posi-
tion of the vehicle. A navigation unit uses the
satellite data to translate the vehicle location to
latitude and longitude coordinates. It combines the
latitude and longitude with proprietary map data
from a DVD unit to perform all system calculations
and display formatting. A single DVD disc contains
map information for the entire United States. The
DVD (navigation) unit is mounted in the covered
floor storage compartment at the left rear of the
vehicle.
3.12.2 INSTRUMENT PANEL SWITCH
POD
The Switch Pod Assembly is located just to the
right of the cluster in the Instrument Panel. The
Switch Pod Assembly consists of the EVIC buttons,
the Navigation buttons (if equipped), Hazard
switch, Vehicle Theft Security indicator, and an
Analog Clock. The EVIC function buttons are la-
beled US/M, MENU, STEP, and RESET. The Nav-
igation function buttons are labeled NAV, CAN-
CEL, ENTER, (scroll left), (scroll up), (scroll right),
and (scroll down). The Vehicle Theft Alarm light is
a red oval located under the EVIC reset button.
The Analog Clock consists of an hour and minute
hands with one time adjust button. The Hazard
switch is designated with a red triangle and is a
push on push off switch.
3.12.3 ELECTRONIC VEHICLE
INFORMATION CENTER (EVIC)
The Electronic Vehicle Information Center
(EVIC), which is located in the cluster, uses a
vacuum fluorescent (VF) display to supply vehicle
information.
The EVIC also provides the interface to enable
and disable vehicle programmable features when
the vehicle is equipped with certain features.
The EVIC function buttons are located in the
switch pod.
The EVIC receives data over the PCI bus, com-
municating with the:
•
Body Control Module (BCM).
The BCM supplies most of the information
that the EVIC displays.
The EVIC receives all display requests over
the PCI bus.
•
Integrated Power Module (IPM).
•
Overhead Console Module referred to as the
Compass/Mini-Trip Computer (CMTC).
The EVIC receives compass heading, average
fuel economy and distance to empty informa-
tion from the CMTC.
The EVIC also receives Tire Pressure Moni-
toring Information from either the CMTC or
the SKREEM. For complete information, re-
fer to the Tire Pressure Monitoring System
further in this section.
•
Driver Door Module
3.12.3.1 VEHICLE INFORMATION
DISPLAY
NOTE: The EVIC will not display information
for any of the screens for which it did not
receive the proper PCI Bus data.
The EVIC displays the following functions:
•
Compass direction
•
Language type
•
Distance to empty
•
Average fuel economy
•
Distance to service
•
Customer programmable Features
The EVIC displays various memory functions
based on a PCI bus message from the Driver Door
Module (DDM). The EVIC will also display the
following driver alert messages with either an
amber or red priority indicator lamp:
•
TURN SIGNAL ON
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