ECO mode CHEVROLET SILVERADO 2005 1.G Owner's Manual

LOW COOLANT LEVEL
If your vehicle is equipped with a low coolant level
sensor, this message will appear on the DIC if
the engine coolant level is low. Adding coolant will
clear the message. SeeCooling System on page 5-40.
Pressing any of the four DIC buttons, if equipped,
will acknowledge the message and clear it from the
DIC display. If your vehicle is not equipped with the
four DIC buttons, pressing the trip odometer reset stem
will acknowledge the message and clear it from the
DIC display.
Notice:Engine damage from running your engine
without coolant is not covered by your warranty.
See “Overheated Engine Protection Operating
Mode” in the Index for information on driving to
a safe place in an emergency.
OIL LIFE RESET
This message will appear on the DIC for about
10 seconds after resetting the change engine oil
message. See “Engine Oil Life System” underDIC
Operation and Displays on page 3-51andEngine Oil
(Gasoline Engine) on page 5-20for more information.
OIL PRESSURE LOW
If low oil pressure levels occur, this message will be
displayed on the DIC and a chime will sound. Stop the
vehicle as soon as safely possible and do not operate
it until the cause of the low oil pressure has been
corrected. Check your oil as soon as possible and have
your vehicle serviced by your GM dealer. SeeEngine
Oil (Gasoline Engine) on page 5-20.
Notice:If you drive your vehicle while the engine
oil pressure is low, severe engine damage may
occur. If a low oil pressure warning appears on the
Driver Information Center (DIC), stop the vehicle
as soon as possible. Do not drive the vehicle until
the cause of the low oil pressure is corrected.
SeeEngine Oil (Gasoline Engine) on page 5-20for
more information.
PASSENGER DOOR AJAR
If the passenger’s door is not fully closed, this message
will appear on the display and you will hear a chime.
Stop and turn off the vehicle, check the door for
obstacles, and close the door again. Check to see if
the message still appears on the DIC. Pressing any of
the four DIC buttons, if equipped, will acknowledge
the message and clear it from the DIC display. If your
vehicle is not equipped with the four DIC buttons,
pressing the trip odometer reset stem will acknowledge
the message and clear it from the DIC display.
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SERVICE BRAKE SYSTEM
If there is a problem with the brake system, this
message will be displayed on the DIC. If this message
appears, stop as soon as possible and turn off the
vehicle. Restart the vehicle and check for the message
on the DIC display. If the message is still displayed
or appears again when you begin driving, the brake
system needs service. See your GM dealer.
SERVICE CHARGING SYSTEM
On some vehicles, if there is a problem with the battery
charging system, this message will appear on the
DIC. Under certain conditions, the battery warning light
may also turn on in the instrument panel cluster.
SeeBattery Warning Light on page 3-38. The battery
will not be charging at an optimal rate and the vehicle
will lose the ability to enter the fuel economy mode.
The vehicle is safe to drive, however you should have
the electrical system checked by your GM dealer.
Pressing any of the four DIC buttons, if equipped,
will acknowledge the message and clear it from the
DIC display. If your vehicle is not equipped with the
four DIC buttons, pressing the trip odometer reset stem
will acknowledge the message and clear it from the
DIC display.
SERVICE RIDE CONTROL
If a problem occurs with the suspension system, this
message will appear on the DIC. If this message
appears, stop and turn off the vehicle. Restart the
vehicle and check for the message on the DIC display.
If this message is still displayed or appears again
when you begin driving, the air suspension system
needs service. See your GM dealer.
TIGHTEN FUEL CAP
If the vehicle’s fuel cap is not tightened properly, this
message may appear along with the check engine
light on the instrument panel cluster. SeeMalfunction
Indicator Lamp on page 3-44. Reinstall the fuel cap
fully. SeeFilling the Tank on page 5-10. The diagnostic
system can determine if the fuel cap has been left
off or improperly installed. A loose or missing fuel cap
will allow fuel to evaporate into the atmosphere.
A few driving trips with the cap properly installed
should turn this light and message off.
TRACTION ACTIVE
When the traction control system had detected that
any of the vehicle’s wheels are slipping, the traction
control system will activate and this message will appear
on the DIC. SeeTraction Assist System (TAS) on
page 4-8for more information.
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TRANS (Transmission) HOT IDLE
ENGINE
If the transmission uid in the vehicle gets hot, this
message will appear on the DIC along with a continuous
chime. Driving with the transmission uid temperature
high can cause damage to the vehicle. Stop the vehicle
and let it idle to allow the transmission to cool. This
message will clear and the chime will stop when the uid
temperature reaches a safe level. SeeTransmission
Temperature Gage on page 3-42.
Notice:If you drive your vehicle while the
transmission uid is overheating and the
transmission temperature warning is displayed
on the instrument panel cluster and/or DIC, you
can damage the transmission. This could lead
to costly repairs that would not be covered by your
warranty. Do not drive your vehicle with overheated
transmission uid or while the transmission
temperature warning is displayed.
TRANSMISSION HOT
If the transmission uid temperature becomes high,
this message will appear on the DIC display.
When the transmission enters the protection mode,
you may notice a change in the transmission shifting
patterns. When the transmission uid temperature
returns to normal, the display will turn off and the
transmission shifting patterns will return to normal.Notice:If you drive your vehicle while the
transmission uid is overheating and the
transmission temperature warning is displayed on
the instrument panel cluster and/or DIC, you
can damage the transmission. This could lead to
costly repairs that would not be covered by
your warranty. Do not drive your vehicle with
overheated transmission uid or while the
transmission temperature warning is displayed.
The following situations can cause the transmission to
operate at higher temperatures:
Towing a trailer
Hot outside air temperatures
Hauling a large or heavy load
Over-loading
Low transmission uid level
High transmission uid level
Restricted air ow to the radiator and the auxiliary
transmission oil cooler
A temporary solution to hotter transmission operating
temperatures may be to let the transmission cool down.
If the transmission is operated at higher temperatures
on a frequent basis, seeScheduled Maintenance
(Gasoline Engine) on page 6-4for the proper
transmission maintenance intervals. Also see
Transmission Temperature Gage on page 3-42for
more information.
3-62

Choose one of the available options and press the
customization button while your choice is displayed on
the DIC to select it and move on to the next feature.
For more information on alarm warning type, see
Content Theft-Deterrent on page 2-19.
Language
To select your preference for display language, press
the select button while LANGUAGE is displayed on the
DIC. Pressing the select button will scroll through the
following languages:
ENGLISH
FRANCAIS (French)
ESPANOL (Spanish)
Choose one of the available options and press the
customization button while it is displayed on the DIC
to select it.
If you accidentally choose a language that you do not
want or understand, press and hold the customization
button and the trip information button at the same
time. The DIC will begin scrolling through the languages
in their particular language. English will be in English,
Francais will be in French and Espanol will be in
Spanish. When you see the language that you would
like, release both buttons. The DIC will then display the
information in the language you chose.You can also scroll through the different languages
by pressing and holding the trip reset stem for
four seconds, as long as you are in the odometer mode.
Display Units
Press the customization button until DISPLAY UNITS
appears in the display. To select English or metric, press
the select button while DISPLAY UNITS is displayed
on the DIC. Pressing the select button will scroll through
the following choices:
DISPLAY UNITS: ENGLISH
DISPLAY UNITS: METRIC
If you choose English, all information will be displayed
in English units. For example, distance in miles and
fuel economy in miles per gallon. If you choose metric,
all information will be displayed in metric units. For
example, distance in kilometers and fuel economy in
liters per 100 kilometers.
Choose one of the available options and press the
customization button while it is displayed on the DIC
to select it and end out of the customizable options.
3-68

Audio System(s)
Notice:Before adding any sound equipment to
your vehicle, such as an audio system, CD 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.
Notice:The chime signals related to seat belts,
parking brake, and other functions of your vehicle
operate through the GM radio/entertainment
system. If that equipment is replaced or additional
equipment is added to your vehicle, the chimes
may not work. Make sure that replacement or
additional equipment is compatible with your
vehicle before installing it.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 may have a feature called Retained
Accessory Power (RAP). With RAP, the audio system
can be played even after the ignition is turned off.
SeeRetained Accessory Power (RAP) on page 2-23
for more information.
Setting the Time for Radios without
Radio Data Systems (RDS)
Press and hold HR until the correct hour appears on the
display. Press and hold MIN until the correct minute
appears on the display. There is an initial two-second
delay before the clock goes into time-set mode.
Display the time with the ignition off, by pressing RCL,
HR, or MIN.
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To adjust all tone and speaker controls to the middle
position, rst end out of audio mode by pressing another
button, causing the radio to perform that function or
by waiting ve seconds for the display to return to time
of day. Then press and hold AUDIO for more than
two seconds until you hear a beep. CEN will appear on
the display.
Adjusting the Speakers (Balance/Fade)
AUDIO:To adjust the balance between the right
and the left speakers, press and release AUDIO until
BAL appears on the display. Then press and hold the up
or the down arrow to move the sound toward the right
or the left speakers.
To adjust the fade between the front and the rear
speakers, press and release AUDIO until FAD appears
on the display. Then press and hold the up or the
down arrow to move the sound toward the front or the
rear speakers.
To adjust balance or fade to the middle position, select
BAL or FAD. Then press and hold AUDIO for more
than two seconds until you hear a beep. L (balance) and
a zero or F and a zero will appear on the display.To adjust all tone and speaker controls to the middle
position, rst end out of audio mode by pressing another
button, causing the radio to perform that function or
by waiting ve seconds for the display to return to
time of day. Then press and hold AUDIO for more than
two seconds until you hear a beep. CEN will appear
on the display.
Fade may not be available if the vehicle is a regular
cab model.Radio Messages
CAL (Calibrated):The audio system has been
calibrated for your vehicle from the factory. If CAL
appears on the display it means that the radio has not
been congured properly for your vehicle and must
be returned to your GM dealer for service.
LOC (Locked):This message is displayed when the
THEFTLOCK
®system has locked up. Take the vehicle
to your GM dealer for service.
If any error occurs repeatedly or if an error cannot be
corrected, contact your GM dealer.
3-72

Finding a Program Type (PTY) Station
(RDS and XM™)
To select and nd a desired PTY perform the following:
1. Press the TYPE button to activate program type
select mode. TYPE and a PTY will appear on the
display.
2. Turn the TYPE knob or press and release the
TYPE button to select a PTY.
3. Once the desired PTY is displayed, press and
release either the TYPE or the SEEK arrows to
select and to take you to the PTY’s rst station.
4. To go to another station within that PTY and the
PTY is displayed, press either the TYPE or the
SEEK arrows once. If the PTY is not displayed,
go back to Step 1.
5. Press either the TYPE or the SEEK arrows to exit
program type select mode.
If the radio cannot nd the desired program type, NONE
will appear on the display and the radio will return to
the last station you were listening to.SCAN:Scan the stations within a PTY by performing
the following:
1. Press the TYPE button to activate program type
select mode. TYPE and the last selected PTY will
appear on the display.
2. Turn the TYPE knob or press and release the
TYPE button to select a PTY.
3. Once the desired PTY is displayed, press and
hold either the TYPE or the SCAN arrows for
two seconds, and the radio will begin scanning
the stations in the PTY.
4. Press either the TYPE or the SCAN arrows to
stop at a station.
BAND (Alternate Frequency):Alternate frequency
allows the radio to switch to a stronger station with the
same program type. To turn alternate frequency on,
press and hold BAND for two seconds. AF ON will
appear on the display. The radio may switch to stations
with a stronger frequency.
To turn alternate frequency off, press and hold BAND
again for two seconds. AF OFF will appear on the
display. The radio will not switch to other stations.
This function does not apply for XM™ Satellite Radio
Service.
3-77

Setting Preset PTYs (RDS Only)
These buttons have factory PTY presets. Up to
12 PTYs (six FM1 and six FM2), can be programmed
on the six numbered pushbuttons, by performing
the following steps:
1. Press BAND to select FM1 or FM2.
2. Press the TYPE button to activate program type
select mode. TYPE and the last selected PTY will
appear on the display.
3. Turn the TYPE knob or press and release the
TYPE button to select a PTY.
4. Press and hold one of the six numbered
pushbuttons until you hear a beep. Whenever that
numbered pushbutton is pressed, the PTY that
was set will return.
5. Repeat the steps for each pushbutton.
RDS Messages
INFO (Information):If the current station has a
message, the information symbol will appear on the
display. Press this button to see the message.
The message may display the artist, song title,
call in phone numbers, etc.If the entire message is not displayed, parts of the
message will appear every three seconds. To scroll
through the message, press and release the INFO
button. A new group of words will appear on the display
after every press of the button. Once the complete
message has been displayed, the information symbol
will disappear from the display until another new
message is received. The last message can be
displayed by pressing the INFO button. You can view
the last message until a new message is received
or a different station is tuned to.
Radio Messages
CAL ERR (Calibration Error):The audio system
has been calibrated for your vehicle from the factory.
If CAL ERR appears on the display, it means that
the radio has not been congured properly for the
vehicle and must be returned to your GM dealer
for service.
LOCKED:This message is displayed when the
THEFTLOCK
®system has locked up. Take the vehicle
to your GM dealer for service.
If any error occurs repeatedly, or if an error cannot be
corrected, contact your GM dealer.
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For XM™ (if equipped), press the INFO knob while in
XM™ mode to retrieve four different categories of
information related to the current song or channel:
Artist, Song Title, Category or PTY, Channel
Number/Channel Name.
To change the default on the display, press the INFO
knob until you see the display you want, then hold
the knob until the display ashes. The selected display
will now be the default.
AUTO VOL (Automatic Volume):With automatic
volume, the audio system will adjust automatically to
make up for road and wind noise as you drive by
increasing the volume as vehicle speed increases.
Set the volume at the desired level. Press this button to
select LOW, MEDIUM, or HIGH. AVOL will appear
on the display. Each higher setting will provide more
volume compensation at faster vehicle speeds. To turn
automatic volume off, press this button until AVOL
OFF appears on the display.Finding a Station
BAND:Press this button to switch between FM1, FM2,
AM, or XM1 or XM2 (if equipped). The display will
show the selection.
oTUNEp:Turn this knob to select radio stations.
©SEEK¨:Press either the SEEK or the TYPE
arrows to go to the next or to the previous station and
stay there.
The radio will only seek stations with a strong signal
that are in the selected band.
©SCAN¨:Press and hold either the SCAN or the
TYPE arrows for two seconds until SCAN appears
on the display and you hear a beep. The radio will go to
a station, play for a few seconds, then go on to the
next station. Press either the SCAN or the TYPE arrows
again to stop scanning.
To scan preset stations, press and hold either the
SCAN or the TYPE arrows for more than four seconds.
PSCN will appear on the display and you will hear a
double beep. The radio will go to a preset station, play
for a few seconds, then go on to the next preset
station. Press either the SCAN or the TYPE arrows
again to stop scanning presets.
The radio will only scan stations with a strong signal
that are in the selected band.
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SCAN:Scan the stations within a PTY by performing
the following:
1. Press the TYPE button to activate program type
select mode. TYPE and the last selected PTY will
appear on the display.
2. Turn the TYPE knob or press and release the
TYPE button to select a PTY.
3. Once the desired PTY is displayed, press and
hold either the TYPE or the SCAN arrows for
two seconds, and the radio will begin scanning
the stations in the PTY.
4. Press either the TYPE or the SCAN arrows to
stop scanning.
BAND (Alternate Frequency):Alternate frequency
allows the radio to switch to a stronger station with the
same program type. To turn alternate frequency on,
press and hold BAND for two seconds. AF ON will
appear on the display. The radio may switch to stations
with a stronger frequency.
To turn alternate frequency off, press and hold BAND
again for two seconds. AF OFF will appear on the
display. The radio will not switch to other stations.
This function does not apply for XM™ Satellite
Radio Service.Setting Preset PTYs (RDS Only)
These buttons have factory PTY presets. Up to 12 PTYs
(six FM1 and six FM2), can be programmed on the
six numbered pushbuttons, by performing the
following steps:
1. Press BAND to select FM1 or FM2.
2. Press the TYPE button to activate program type
select mode. TYPE and the last selected PTY will
appear on the display.
3. Turn the TYPE knob or press and release the
TYPE button to select a PTY.
4. Press and hold one of the six numbered
pushbuttons until you hear a beep. Whenever that
numbered pushbutton is pressed, while in PTY
select mode, the PTY that was set will return.
5. Repeat the steps for each pushbutton.
3-88