ECO mode GMC SIERRA 2002 User Guide

2-84 Menu
Press the MENU button to choose a feature you
would like to personalize (the features are listed below).
Each press of the button will display a new item that
can be personalized. Use the arrow button to choose the
setting you would like to use within the chosen feature.
For example, you would prefer to personalize the
automatic door locks so that the automatic locking
feature is disabled. You would do the following:
1. First press the MENU button until you reach the
Automatic Door Lock screen.
2. Next, press the arrow button until you find the
Disabled setting.
3. The setting is now actually set without having to
do anything else. You can do one of three things
at this point:

You can leave the personalization mode by
pressing FUEL or TRIP.

You can just let the SIC exit the personalization
mode on its own by waiting approximately
15 seconds without touching any buttons.
The SIC will then display the day/date.

Or you can press the MENU key to move on to
the next programmable feature.The following is a list of the personal settings that can
be changed:
Automatic Door Lock

Enabled: Doors automatically lock when vehicle
speed is above 15 mph (24 km/h) for two seconds.

Disabled: Doors do not lock automatically.
Automatic Door Unlock:

Driver: Driver's door unlocks when the key is
removed from the ignition.

All: All doors unlock when the key is removed
from the ignition.

Disabled: Doors do not unlock automatically.
Remote Lock Feedback

Horn: Horn chirps on second press of the LOCK
button on the keyless entry transmitter.

Lamps: Parking lamps flash on each press of the
LOCK button on the keyless entry transmitter.

Horn and Lamps: Parking lamps flash on each
press, horn chirps on second press of LOCK on the
keyless entry transmitter.

None: No horn or lamp feedback to the LOCK
button on the keyless entry transmitter.

2-86
Display Units

English: Units displayed in English units.

Metric: Units displayed in metric units.
Day/Date/Time

The RESET button will enable the operator to reset
the day/date/time. Each press of the RESET button
will scroll through the following: set year, set month,
set day, set hour, set minutes and set AM/PM.

Whichever is currently selected (i.e. year, month,
day, etc.) will flash. The arrow button is then used to
adjust the value. Each press of the arrow button will
change the value by one. If the arrow button is
pushed and held, the value will keep changing until
the button is released.

While in menu mode, the SIC will display the
day/date if no buttons have been pressed for more
than 15 seconds.Language and Personalization Reset
1. Press and hold the MENU button. After two seconds,
the display will begin cycling through the languages
at one second intervals. Release the MENU button
when the desired language is displayed.
2. The previous action will also reset the personalization
values to their factory default settings which are
as follows:

Automatic Door Lock: Disabled

Automatic Door Unlock: All

Remote Lock Feedback: Horn

Remote Unlock Feedback: Lamps

Headlamp Delay: 30 seconds

Perimeter Lamps: Enabled

Alarm Warning: Horn and Lamps

Display Units: English

3-4
Recirculation will not be available in floor, blend, or
defrost modes. This helps reduce window fogging.
If the recirculation button is pressed in these modes,
the LED indicator for recirculation will flash three times
indicating that outside air is activated and recirculation
is not available.
If the air conditioning system is activated and system
demand is high in situations such as city traffic, idling,
or very hot weather, the system will automatically
switch from outside air to recirculation. The LED
indicator will not change. After demand on the system
is reduced, the system will return to outside air.
A/C (Air Conditioning): This button is used to
control the air conditioning compressor. Turning the
system on will allow air to be cooled and dehumidified
inside the vehicle.
Air conditioning will be automatically disabled when
the outside air temperature drops below a level at which
air conditioning is effective.
Air Conditioning
On hot days, open the windows long enough to let hot
air inside escape. This reduces the time it takes for your
vehicle to cool down. Then keep your windows closed
for the air conditioner to work its best.
The A/C button, located below the mode knob, allows
the air coming into your vehicle to be cooled. This
setting is useful for normal cooling on hot days. When
you use air conditioning with the recirculation button
pressed, turn off recirculation as soon as the vehicle
reaches a comfortable interior temperature.
Using air conditioning with the recirculation mode
active allows the air inside your vehicle to be
recirculated. This setting helps to maximize your air
conditioner's performance and your vehicle's fuel
economy. This setting also cools air the fastest and can
be used to keep unwanted odors and/or dust from
entering the vehicle. When using the air conditioner,
turn off recirculation and use outside air after the vehicle
reaches a comfortable interior temperature. When the
right knob on the control panel is between floor and
defrost, recirculation will not function to reduce window
fogging.

3-8
Ventilation Tips

Keep the hood and front air inlet free of ice, snow or
any other obstruction (such as leaves). The heater
and defroster will work far better, reducing the
chance of fogging the inside of your windows.

When you enter a vehicle in cold weather, turn the
fan knob all the way toward the red area for a few
moments before driving. This helps clear the intake
ducts of snow and moisture, and reduces the chance
of fogging the inside of your windows.

Keep the air path under the front seats clear of
objects. This helps air to circulate throughout
your vehicle.

The use of non
-GM approved hood air deflectors
may adversely affect the performance of the heating
and air conditioning system.
Passenger Compartment Air Filter
Your vehicle is equipped with a passenger compartment
air filter, which filters outside air entering the vehicle.
For information on replacing the filter see ªPassenger
Compartment Air Filterº in the Index.
Audio Systems
Your audio system has been designed to operate easily
and give years of listening pleasure. You will get the
most enjoyment out of it if you acquaint yourself with it
first. Find out what your audio system can do and how
to operate all of its controls to be sure you're getting the
most out of the advanced engineering that went into it.
Your vehicle has a feature called Retained Accessory
Power (RAP). With RAP, you can play your audio
system even after the ignition is turned off. See
ªRetained Accessory Powerº in the Index.
Setting the Clock for Systems with HR and
MN Buttons
Press and hold HR until the correct hour appears on the
display. Press and hold MN until the correct minute
appears on the display. To display the clock with the
ignition off, press RECALL or HR/MN and the time
will be displayed for a few seconds. There is an initial
two
-second delay before the clock goes into the
time
-set mode.

3-12
Once the tape is playing, use the VOL, AUTO TONE,
BAL, FADE, BASS and TREB controls just as you do
for the radio. The tape symbol and a direction arrow will
be on the display whenever a tape is being played.
Anytime a tape is inserted, the top side is selected for
play first.
The player automatically senses if the cassette tape is
metal or CrO
2 and adjusts for best playback sound.
If an error appears on the display, see ªCassette Tape
Messagesº later in this section.
1 PREV (Previous): Press this pushbutton or the left
SEEK arrow to search for the previous selection. A
minimum three
-second blank gap is required for the
player to stop at the beginning of the selection. The tape
direction arrow will blink while in previous mode.
2 PROG (Program): Press this pushbutton to switch
from one side of the tape to the other.
3 NEXT: Press this pushbutton or the right SEEK
arrow to search for the next selection. A minimum
three
-second blank gap is required for the player to stop
at the beginning of the selection. The tape direction
arrow will blink while in next mode. The sound will
mute while searching for the next selection.REV 4 (Reverse): Press this pushbutton to rapidly
reverse the tape. Press this pushbutton again to stop
reversing the tape. The radio will play the last selected
station while reversing the tape. The tape direction
arrow will blink while in reverse mode.

5 (Dolby): Press this pushbutton to reduce cassette
tape noise. The double
-D symbol will appear on the
display while the player is in this mode.
Dolby Noise Reduction is manufactured under a license
from Dolby Laboratories Licensing Corporation. Dolby
and the double
-D symbol are trademarks of Dolby
Laboratories Licensing Corporation.
FWD 6 (Forward): Press this pushbutton to rapidly
forward the tape. Press this pushbutton again to stop
forwarding the tape. The radio will play the last selected
station while forwarding the tape. The tape direction
arrow will blink while in forward mode.
AM FM: Press this button to listen to the radio when
playing a tape.
TAPE AUX (Auxiliary): Press this button to play a
tape when listening to the radio. The lighted arrow will
appear and show the direction of play when a tape is in
the active mode.

3-15
While listening to a cassette tape, press the up arrow to
hear the next selection on the tape. Press the down arrow
to go back to the previous selection. If the cassette tape
on the front radio is in use, you cannot seek through
different selections on a tape.
While listening to a CD, press the up arrow to hear
the next track on the CD. Press the down arrow to
go back to the start of the current track (if more than
eight seconds have played). If the CD player on the front
radio is in use, you cannot seek through different tracks.
To scan preset stations, press and hold SEEK until the
radio goes into scan mode. The radio will go to a station,
play for a few seconds, then go on to the next station.
Press either SEEK arrow again to stop scanning. If the
front radio is in use, you cannot scan through different
stations.P.SET PROG (Preset Program): The front passengers
must be listening to something different for each of
these functions to work:

Press this button to scan through the preset radio
stations set on the pushbuttons on the main radio.
The radio will go to a preset station, play for a few
seconds, then go on to the next preset station. Press
this button again to stop scanning.

When a cassette tape is playing, press this button to
go to the other side of the tape.

When a CD is playing in the CD changer, press this
button to select a disc.
TAPE CD: Press this button to switch between playing
a tape and CD changer if all are loaded. Press AM FM
to return to the radio when a cassette tape or CD is
playing. The inactive tape or CD will remain safely
inside the radio for future listening.

4-51
Tow/Haul Mode
Tow/haul is a feature that assists when pulling a heavy
trailer or a large or heavy load. The purpose of the
tow/haul mode is to:

Reduce the frequency and improve the predictability
of transmission shifts when pulling a heavy trailer or
a large or heavy load.

Provide the same solid shift feel when pulling a
heavy trailer or a large or heavy load as when the
vehicle is unloaded.

Improve control of vehicle speed while requiring less
throttle pedal activity when pulling a heavy trailer or
a large or heavy load.
Your vehicle is equipped with a switch at the end of the
shift lever which when pressed enables tow/haul. When
the switch is pressed, a light on the instrument panel will
illuminate to indicate that tow/haul has been selected.
Tow/haul may be turned off by pressing the switch
again, at which time the indicator light on the instrument
panel will turn off. The vehicle will automatically turn
off tow/haul every time it is started.Tow/haul is designed to be most effective when the
vehicle and trailer combined weight is at least
75 percent of the vehicle's Gross Combined Weight
Rating (GCWR). See ªWeight of the Trailerº later in
this section. Tow/haul is most useful under the following
driving conditions:

When pulling a heavy trailer or a large or heavy load
through rolling terrain.

When pulling a heavy trailer or a large or heavy load
in stop and go traffic.

When pulling a heavy trailer or a large or heavy load
in busy parking lots where improved low speed
control of the vehicle is desired.
Operating the vehicle in tow/haul when lightly loaded or
with no trailer at all will not cause damage. However,
there is no benefit to the selection of tow/haul when the
vehicle is unloaded. Such a selection when unloaded
may result in unpleasant engine and transmission
driving characteristics and reduced fuel economy.
Tow/haul is recommended only when pulling a heavy
trailer or a large or heavy load.