2004 CHEVROLET IMPALA Owners Manual

Trunk Ajar Warning Message
This message will appear if the trunk is not completely
closed and the ignition is in ON.
If you are in a forward or reverse gear position you will
also hear four chimes.
Security Message
This message is displayed to monitor the Passlock®
system.
If the security message is displayed continuously while
driving and stays on, there may be a problem with
the Passlock
®system. Your vehicle will not be protected
by Passlock®and you should see your dealer for
service. SeePasslock®on page 2-16for more
information. United States
CanadaUnited StatesCanada
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Low Washer Fluid Warning Message
This message is displayed when the vehicle is low on
windshield washer uid.
The message is only displayed for 60 seconds at the
start of each ignition cycle. For more information
seeWindshield Washer Fluid on page 5-46.
When the ignition is turned off, this message will be
displayed again for three seconds to remind you
that your washer uid is low. Be sure to rell the
washer uid tank right away.
Low Fuel Warning Message
This message is displayed when your vehicle is low
on fuel. Four chimes will also sound.
Refer to the fuel gage for a better indication of
the amount of fuel remaining in the fuel tank. United States
CanadaUnited StatesCanada
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Low Brake Fluid Warning Message
This message will be displayed when your vehicle has a
brake problem. The brake system warning light will
also be illuminated.
If this message appears, the brakes aren’t working
properly. You should have your vehicle serviced
immediately. SeeBrake System Warning Light on
page 3-33for more information.
Service Vehicle Soon Message
This message will come on if you have engine problems.
These problems may not be obvious and may not
affect vehicle performance or durability. Consult a
qualied dealership for necessary repairs to maintain
top vehicle performance. United States
CanadaUnited StatesCanada
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Highbeam Out Warning Message
If this message appears, you may have a problem with
your high-beam headlamps.
The message will stay on about 60 seconds. When the
ignition is turned off, this message will be displayed
again for three seconds to remind you that you
may have a problem with your highbeam-headlamps.
Be sure to check your bulbs right away and replace
them if necessary.
SeeBulb Replacement on page 5-58.
Driver Information Center (DIC)
If your vehicle is equipped with the DIC, it will show
information about the vehicle and the surroundings. It is
located in the headliner between the sun visors. United States
Canada
Optional Sunroof Version Shown
3-52

RESET:You can reset the AVG ECON, FUEL USED
or AVG SPEED trip computer modes by pressing
and holding this button for three seconds while you are
in the mode you wish to reset. A chime will sound to
conrm that your requested change has been made and
all the segments of the display will briey light up.
To change the display to a metric or English reading,
press the RESET and MODE buttons at the same time.
Hold them down for three seconds, and the display
will change. A chime will be heard to conrm the new
selection.
The reset button can also be used to manually calibrate
the compass. See “Manual Compass Calibration”
later in this section.
The reset button can be used to set the compass zone
variation. See “Compass Variance” later in this section.MODE:Press this button to cycle through three modes
of operation: Off, Compass/Temperature and Trip
Computer mode.
Off:No driver information is displayed in this mode
of operation.
Compass/Temperature Mode:One of eight
compass readings and the outside temperature are
displayed. If the temperature is below 38°F
(3°C), the word ICE is displayed for two minutes.
Trip Computer:Pressing the MODE button cycles
through the ve displays. Press the MODE button
after the last Trip Computer display to return
the DIC to the OFF mode.
Compass Variance
Compass variance is the difference between magnetic
north and geographic north. In some areas of the
country, the difference is great enough to cause the
compass to give false readings. If this occurs, the
compass variance must be set.
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Setting the Variance
Turn the ignition on and cycle the DIC to the
Compass/Temperature mode. Press the RESET button
for about ve seconds. The last entered variance
zone number and VAR will be displayed. Press the
MODE button until the proper variance zone number on
the map is shown. Press the RESET button to set
the new variance zone and resume normal operation.All the display segments will be illuminated briey to
acknowledge the change in zone number. A chime will
sound to conrm that the new zone number has
been set.
Automatic Compass Calibration
The compass is self-calibrating, which eliminates the
need to manually set the compass. When the vehicle is
new, the calibration process may not be complete. In
these cases CAL will be displayed, and all segments of
the compass will be illuminated where the compass
reading is normally displayed.
To calibrate the compass, in an area free from large
metal objects, make one to two 360° turns. The
calibration symbol will turn off and the compass reading
will be displayed.
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Manual Compass Calibration
If the compass appears erratic and the calibration
symbol does not appear, you must manually put the
compass into the calibration mode.
Turn the ignition on and cycle the DIC to the
Compass/Temperature mode. Press the RESET button
for at least 10 seconds until the calibration symbol
appears and all segments of the compass display are
illuminated. A chime will sound to conrm that the
calibration mode is active. Release the button and
complete two or three 360° turns in an area free from
large metal objects. The calibration symbol will turn
off and the compass reading will be displayed. A chime
will sound to verify that the calibration is complete.
Error Displays

An error of the speed sensor or fuel sender will
cause -E- to be displayed.
In the absence of vehicle communications,
adash--isdisplayed.
If one of these error messages appear, see your dealer.
Trip Computer
There are ve trip computer displays which may be
stepped through by pushing the MODE button.
The information will appear in the following order:
AVG ECON (Average Fuel Economy):This shows the
average fuel economy since the last reset.
INST ECON (Instantaneous Fuel Economy):This
shows fuel economy for the most recent second
of driving.
RANGE (Trip Range):This shows the estimated
distance that can be traveled with the remaining fuel.
The fuel economy used to calculate range is based
on the last few hours of driving. When in a low
fuel condition, LO is displayed.
FUEL USED (Trip Fuel Used):This shows the
accumulated fuel used since the last reset.
AVG SPEED (Average Speed):This shows the
average speed since the last reset.
Resetting the Trip Computer
Press and hold the RESET button for at least three
seconds. The reset is acknowledged with all segments
of the display lit briey and a chime. A reset can
only be done in AVG ECON, FUEL USED and AVG
SPEED displays. Each setting must be reset individually.
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Audio System(s)
Notice:Before adding any sound equipment to
your vehicle, like a tape player, CB radio, mobile
telephone, or two-way radio, make sure that it can
be added by checking with your dealer. Also,
check federal rules covering mobile radio and
telephone units. If sound equipment can be added,
it is very important to do it properly. Added
sound equipment may interfere with the operation
of your vehicle’s engine, radio, or other systems,
and even damage them. Your vehicle’s systems may
interfere with the operation of sound equipment
that has been added improperly.
Figure out which audio system is in your vehicle, nd
out what your audio system can do, and how to operate
all of its controls.
Your vehicle has a feature called Retained Accessory
Power (RAP). With RAP, the audio system can be
played even after the ignition is turned off. See
“Retained Accessory Power (RAP)” underIgnition
Positions on page 2-17.
Setting the Time
Press and hold the HR or MN buttons for two seconds.
The clock symbol will appear on the display. Then
press and hold HR until the correct hour appears on the
display. AM or PM will appear for morning or evening
hours. Press and hold MN until the correct minute
appears on the display. The time can be set with the
ignition on or off.
To synchronize the time with an FM station broadcasting
Radio Data System (RDS) information, press and
hold HR and MN at the same time for two seconds until
UPDATED and the clock symbol appear on the
display. If the time is not available from the station, NO
UPDAT will appear on the display.
RDS time is broadcast once a minute. After tuning to an
RDS broadcast station, it may take a few minutes for
the time to update.
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