ECO mode CHEVROLET TAHOE 1999 1.G Owners Manual

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1-10
Folding Rear Seats (4-Door Models)
The rear seat of the 4
-Door Utility or the second seat of
a Suburban may have a 60/40 seat, either side may be
folded down to give you more cargo space.
Before folding, place the latch portion of the center
safety belt in the center armrest. That way, the center
safety belt will be out of the way when the seat is folded
and also will be easily available for passengers to use
when the seat is returned to the passenger position. Also,
make sure that nothing is under or in front of the seat.
When the seat is folded, it will lay flat on the floor.
When folding the seat,
first remove the head
restraints. Push the release
buttons at the bottom of
each head restraint
height
-adjust post and slide
the head restraint out of the
height
-adjust tubes.
Set the head restraints aside for now. You will store
them in their proper position after you are done folding
the seat.
To fold the seat, pull up on
the strap loop at the rear of
the outer edge of the seat
cushion. Then, pull the
seat cushion up and fold
it forward.
After folding the seat cushion fully forward, pull the
seatback forward and fold the seatback down until it
is flat.
Then, store the head
restraints by sliding them
into the rear of the seat
cushion. Make sure the
posts go in all the way.

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1-11
On Suburban models, to
create a load floor, release
the panels from the seatback
by pushing rearward on the
latch and fold them out to
cover the rear seat footwell.
To return the seat to the passenger position on a
Suburban, lift the load floor panels and latch them into
the seatback. On both models, remove the head
restraints by sliding them out of the seat cushion. Lift
the seatback up and push rearward all the way. Then,
lower the seat cushion until it latches in position.
After returning the seat to the passenger position, return
the head restraints to the top of the seatback. Pull
forward on the seatback and up on the seat cushion to
make sure that the seat is securely in place.If the latch plate portion of the center safety belt was put
in the center armrest when the seat was folded, take the
latch plate portion out and place it on the seat. That way,
the center position safety belt will be available for the
center rear seat passenger to use.
Entry to the Rear Seat (Suburban Second Seat)
The right side of the rear 60/40 split folding bench seat
has an easy entry feature. That makes it easy to get in
and out of the third seat, if you have one.
To operate the seat, move the lever at the side of the
seat down.
Tilt the seatback toward the front of the vehicle by
pulling the top of the seatback forward.
When you do, the seat bottom will release. Just pull the
seat forward until it stops.

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1-40
Four-door utility models and the second seat of
Suburbans have shoulder belt height adjusters. Move the
shoulder belt height adjuster to the height that is right
for you.To move the height adjuster down, push in at the word
PRESS and move the height adjuster to the desired
position. You can move the adjuster up just by
pushing up on the shoulder belt guide. After you
move the adjuster to where you want it, try to move
it down without pushing in to make sure it has locked
into position.
Adjust the height so that the shoulder portion of the
belt is centered on your shoulder. The belt should be
away from your face and neck, but not falling off
your shoulder.
CAUTION:
You can be seriously hurt if your shoulder belt is
too loose. In a crash, you would move forward
too much, which could increase injury. The
shoulder belt should fit against your body.

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1-51 Top Strap
If your child restraint has a top strap, it should
be anchored.Suburban models: If you need to have an anchor
bracket installed for a second row seat or a center rear
seat, you can ask your dealer to put it in for you. If you
want to install the anchor yourself, your dealer can tell
you how to do it.
Anchor brackets for the third row outside seat positions
are located on the floor in the cargo area.

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2-22 Automatic Transfer Case (If Equipped)
The transfer case switches are below and to the left of
the climate controls. Use these switches to shift into and
out of four
-wheel drive. You can choose among four
driving settings:
2HI: This setting is used for driving in most situations.
Your front axle is not engaged in two
-wheel drive. This
setting also provides the best fuel economy.
AUTO 4WD: This setting is ideal for use when road
conditions are variable. When driving your vehicle in
AUTO 4WD, the front axle is engaged, but the vehicle's
power is sent only to the rear wheels. When the vehicle
senses a loss of traction, the system will automatically
engage four
-wheel drive. Driving in this mode results in
slightly lower fuel economy than 2HI.
4HI: Use 4HI when you need extra traction, such as
on snowy or icy roads or in most off
-road situations.
This setting also engages your front axle to help drive
your vehicle.
4LO: This setting also engages your front axle and
delivers extra torque. You may never need 4LO. It sends
maximum power to all four wheels. You might choose
4LO if you are driving off
-road in deep sand, deep mud,
deep snow and climbing or descending steep hills.

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2-32
4-Door Utility and Suburban
If you have the optional power windows, the controls
are on each of the side doors.
The driver's door has a switch for the passenger
windows as well. Your power windows will work when
the ignition has been turned to ACC or RUN.Push the rear of the switch with the power window
symbol on it to lower the window.
Push the front of the switch with the power window
symbol on it to raise the window.
The driver's window switch has an express
-down
feature that allows the window to be lowered without
holding the switch. Press and hold the side of the
window switch marked AUTO for one second to
activate the express
-down mode. The express-down
mode can be canceled at any time by pressing the
opposite side of the switch. To open the window
partway, lightly tap the switch until the window is
at the desired position.
If you have a four
-door vehicle and power windows, the
power window switch has a lockout feature. This feature
prevents the rear windows from operating except from
the driver's position, when the front driver's side switch
is in LOCK. When the switch is moved to NORM, the
rear power windows will operate again.

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2-52 Electric Outside Rearview Mirrors
(If Equipped)
If you have electric mirrors, they can be adjusted to
point where you want from inside the vehicle.
Select the mirror you want
to move by moving the
center of the switch, located
on the driver's door armrest,
to L (left) or R (right).
Then, adjust the mirror angle by pressing the outer
arrows on the switch until the mirror is adjusted where
you want it.
Electrochromic Outside Rearview Mirrors
(If Equipped)
These outside rearview mirrors feature an auto-dimming
and defrost mode.To turn on the auto
-dimming feature, press and hold the
inside rearview mirror TEMP button for six seconds.
See ªElectrochromic Inside Rearview Mirror with
Compass and Temperature Displayº earlier in this
section for further information.
To turn on the defrost feature, press the rear window
defrost button. See ªRear Window Defoggerº in the
Index for further information.
Convex Outside Mirror
Your passenger's side mirror may be convex. A convex
mirror's surface is curved so you can see more from the
driver's seat.
CAUTION:
A convex mirror can make things (like other
vehicles) look farther away than they really are.
If you cut too sharply into the right lane, you
could hit a vehicle on your right. Check your
inside mirror or glance over your shoulder before
changing lanes.

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2-65
The transmitter will learn and transmit the frequencies
of most current transmitters and is powered by your
vehicle's battery and charging system.
This device complies with Part 15 of the FCC Rules.
Operation is subject to the following two conditions:
(1) this device may not cause harmful interference,
and (2) this device must accept any interference
received, including interference that may cause
undesired operation.
This device complies with RSS
-210 of Industry Canada.
Operation is subject to the following two conditions:
(1) this device may not cause interference, and (2) this
device must accept any interference, including
interference that may cause undesired operation of
the device.
Changes and modifications to this system by other than
an authorized service facility could void authorization to
use this equipment.
Programming the Transmitter
Do not use the transmitter with any garage door opener
that does not have the ªstop and reverseº feature. This
includes any garage door opener model manufactured
before April 1, 1982.
Be sure that people and objects are clear of the garage
door you are programming.
Your vehicle's engine should be turned off while
programming the transmitter. Follow these steps to
program up to three channels.
1. If you have not previously programmed a universal
channel, proceed to Step 2. Otherwise, hold down
the two outside buttons on the universal transmitter
until the red light begins to flash rapidly
(approximately 20 seconds). Then release the
buttons. This procedure initializes the memory and
erases any previous settings for all three channels.
2. Hold the end of the hand
-held transmitter against the
bottom surface of the universal transmitter so that
you can still see the red light.

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3-7 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 recirculation button, between the fan and
temperature knobs, 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 the 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 after the vehicle reaches a
comfortable interior temperature. When the right knob
on the control panel is between HEATER and
DEFROST, the recirculation feature will not function.
The A/C button, between the temperature and mode
knobs, allows the air coming into your vehicle to be
cooled. This setting is useful for normal cooling on hot
days. When you use A/C with the recirculation button
pushed in, turn off recirculation as soon as the vehicle
reaches a comfortable interior temperature.With the A/C on, move the temperature knob to MAX
for maximum cooling. This setting also puts the system
in the recirculation mode and helps to maximize your air
conditioner's performance and your vehicle's fuel
economy. This setting also cools the air the fastest. After
the vehicle's interior reaches a comfortable temperature,
move the temperature knob clockwise to place the air
conditioning system in the normal mode.
Heating
The heater works best if you keep your windows closed
while using it. On cold days, use the HEATER or
VENT/HEAT setting with the temperature knob in the
red area.
If you use the engine coolant heater before starting your
engine in cold weather, 20
F (
-8
C) or lower, your
heating system will produce warmer air faster, to heat
the passenger compartment in cold weather.
The use of an engine coolant heater also reduces the
time it takes for the engine to reach normal operating
temperature, and shortens the time it takes the heater to
reach full output. For more information, see ªEngine
Coolant Heaterº in the Index.

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3-10
Do not attach a temporary vehicle license, tape or decals
across the defogger grid on the rear window.
NOTICE:
Don't use a razor blade or anything else sharp on
the inside of the rear window. If you do, you
could cut or damage the warming grid, and the
repairs wouldn't be covered by your warranty.
Audio Systems
Your Delco Electronics 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 Delco
Electronics system can do and how to operate all its
controls, to be sure you're getting the most out of the
advanced engineering that went into it.
Setting the Clock for Systems with
SET Button
Press SET. Within five seconds, press and hold the
SEEK right arrow until the correct minute appears on
the display. Press and hold the SEEK left arrow until the
correct hour appears on the display.
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.