ECO mode GMC YUKON XL 2007 Owner's Guide

Page 314 of 608

\FWD (Fast Forward):Press this button to
fast forward the CD or DVD. The radio will
display the elapsed time and will fast forward
ve times the normal speed. To stop fast
forwarding, press this button again. This button
may not work when the DVD is playing the
copyright information or the previews.
Z(Eject):Press this button to eject a CD or
DVD. If a CD or DVD is ejected, but not removed,
the player will automatically pull it back in after
15 seconds.
If loading and reading of a CD cannot be
completed, such as unknown format, etc., and the
disc fails to eject, press and hold the CD eject
button for more than ve seconds to force the disc
to eject.
DVD-V (Video) Display Buttons
Once a DVD-V is inserted, the radio display menu
will show several tag options for DVD playing.
Press the pushbuttons located under any desired
tag option during DVD playback. See the tag
options listed below for more information.
The rear seat passenger can navigate the DVD-V
menus and controls through the remote control.
See “Remote Control”, underRear Seat
Entertainment System on page 321for more
information. The Video Screen automatically turns
on when the DVD-V is inserted into the
DVD slot.
r/j(Play/Pause):Press either the play or
pause icon displayed on the radio system, to toggle
between pausing or restarting playback of a DVD.
If the forward arrow is showing on display, the
system is in pause mode. If the pause icon is
showing on display, the system is in playback
mode. If the DVD screen is off, press the play
button to turn the screen on.
Some DVDs will begin playing after the previews
have nished, although there may be a delay of up
to 30 seconds.
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Remote Control Buttons
O(Power):Press this button to turn the video
screen on and off.
P(Illumination):Press this button to turn the
remote control backlight on. The backlight will
automatically time out after 7 to 10 seconds if no
other button is pressed while the backlight is on.
v(Title):Press this button to return the DVD to
the main menu of the DVD. This function may
vary for each disc.
y(Main Menu):Press this button to access the
DVD menu. The DVD menu is different on every
DVD. Use the up, down, left, and right arrow
buttons to move the cursor around the DVD menu.
After making a selection press the enter button.
This button only operates when using a DVD.
n,q,p,o(Menu Navigation Arrows):Use
the arrow buttons to navigate through a menu.
r(Enter):Press this button to select the choice
that is highlighted in any menu.
z(Display Menu):Press this button to adjust
the brightness, screen display mode (normal,
full, or zoom), and display the language menu.
q(Return):Press this button to exit the current
active menu and return to the previous menu.
This button will operate only when the display
menu or a DVD menu is active.
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g(Mute/Voice Recognition):Press and release
this button to silence the vehicle speakers only.
The audio of the wireless and wired headphones, if
your vehicle has these features, will not be
muted. Press and release this button again, to
turn the sound on.
If your vehicle has the navigation system, press
and hold this button for longer than one second to
initiate voice recognition. See “Voice Recognition”
in the Navigation System manual for more
information.
If your vehicle has OnStar
®, press and hold this
button for longer than one second to interact
with the OnStar system. If your vehicle is also
equipped with the navigation system, press
and hold this button for longer than one second to
initiate voice recognition and say “OnStar” to
enter OnStar
®mode. See theOnStar®System on
page 167in this manual for more information.
SRCE (Source):Press this button to switch
between the radio (AM, FM), XM (if equipped),
CD, and if your vehicle has these features, DVD,
front auxiliary, and rear auxiliary.+
e−e(Volume):Press the plus or minus
button to increase or to decrease the radio volume.
¨(Seek):Press the seek arrow to go to the next
radio station while in AM, FM, or XM (if equipped).
Press this button to go to the next track or chapter
while sourced to the DVD slot. Press the button to
go to the next disc while sourced to a CD or DVD
changer, if multiple discs are loaded.
Radio Reception
You may experience frequency interference and
static during normal radio reception if items
such as cellphone chargers, vehicle convenience
accessories, and external electronic devices
are plugged into the accessory power outlet.
If there is interference or static, unplug the item
from the accessory power outlet.
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Page 406 of 608

Trailering is different than just driving your vehicle
by itself. Trailering means changes in acceleration,
braking, handling, durability and fuel economy.
Successful, safe trailering takes correct equipment,
and it has to be used properly.
That’s the reason for this part. In it are many
time-tested, important trailering tips and safety
rules. Many of these are important for your safety
and that of your passengers. So please read
this section carefully before you pull a trailer.
If You Do Decide To Pull A Trailer
If you do, here are some important points:
There are many different laws, including speed
limit restrictions, having to do with trailering.
Make sure your rig will be legal, not only where
you live but also where you’ll be driving. A
good source for this information can be state
or provincial police.
Consider using a sway control. See “Hitches”
later in this section.
Don’t tow a trailer at all during the rst
500 miles (800 km) your new vehicle is driven.
Your engine, axle or other parts could be
damaged.
Then, during the rst 500 miles (800 km) that
you tow a trailer, don’t drive over 50 mph
(80 km/h) and don’t make starts at full throttle.
This helps your engine and other parts of
your vehicle wear in at the heavier loads.
You can tow in DRIVE (D). You may want to
shift the transmission to THIRD (3) or, if
necessary, a lower gear selection if the
transmission shifts too often (e.g., under heavy
loads and/or hilly conditions). See “Tow/Haul
Mode” later in this section.
Three important considerations have to do with
weight:
The weight of the trailer
The weight of the trailer tongue
The weight on your vehicle’s tires
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.
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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 benet 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.
Weight of the Trailer
How heavy can a trailer safely be?
It depends on how you plan to use your rig.
For example, speed, altitude, road grades, outside
temperature and how much your vehicle is used
to pull a trailer are all important. It can also depend
on any special equipment that you have on your
vehicle, and the amount of tongue weight the
vehicle can carry. See “Weight of the Trailer
Tongue” later in this section for more information.
Maximum trailer weight is calculated assuming
only the driver is in the tow vehicle and it has all
the required trailering equipment. The weight
of additional optional equipment, passengers and
cargo in the tow vehicle must be subtracted
from the maximum trailer weight.
Use one of the following charts to determine how
much your vehicle can weigh, based upon
your vehicle model and options.
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Page 421 of 608

Heavy-Duty Trailer Wiring Harness
Package
Your vehicle is equipped with the seven-wire
trailer towing harness. This harness with a
seven-pin universal trailer connector is attached to
a bracket on the hitch platform.
The seven-wire harness contains the following
trailer circuits:
Yellow: Left Stop/Turn Signal
Dark Green: Right Stop/Turn Signal
Brown: Taillamps
White: Ground
Light Green: Back-up Lamps
Red: Battery Feed*
Dark Blue: Trailer Brake*
*The fuses for these two circuits are installed in
the underhood electrical center, but the wires
are not connected. They should be connected by
your dealer or a qualied service center.
If you are charging a remote (non-vehicle) battery,
press the tow/haul mode button located at the
end of the shift lever. This will boost the vehicle
system voltage and properly charge the battery. If
the trailer is too light for tow/haul mode, you
can turn on the headlamps as a second way to
boost the vehicle system and charge the battery.
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Normal Occupant Weight:The number of
occupants a vehicle is designed to seat multiplied
by 150 lbs (68 kg). SeeLoading Your Vehicle
on page 390.
Occupant Distribution:Designated seating
positions.
Outward Facing Sidewall:The side of an
asymmetrical tire that has a particular side that
faces outward when mounted on a vehicle.
The side of the tire that contains a whitewall, bears
white lettering, or bears manufacturer, brand,
and/or model name molding that is higher
or deeper than the same moldings on the other
sidewall of the tire.
Passenger (P-Metric) Tire:A tire used on
passenger cars and some light duty trucks and
multipurpose vehicles.
Recommended Ination Pressure:Vehicle
manufacturer’s recommended tire ination
pressure and shown on the tire placard. See
Ination - Tire Pressure on page 490andLoading
Your Vehicle on page 390.Radial Ply Tire:A pneumatic tire in which the
ply cords that extend to the beads are laid at
90 degrees to the centerline of the tread.
Rim:A metal support for a tire and upon which
the tire beads are seated.
Sidewall:The portion of a tire between the tread
and the bead.
Speed Rating:An alphanumeric code assigned
to a tire indicating the maximum speed at
which a tire can operate.
Traction:The friction between the tire and the
road surface. The amount of grip provided.
Tread:The portion of a tire that comes into
contact with the road.
Treadwear Indicators:Narrow bands, sometimes
called wear bars, that show across the tread of
a tire when only 1/16 inch (1.6 mm) of tread
remains. SeeWhen It Is Time for New Tires on
page 499.
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Page 496 of 608

6. Remove the valve cap from the valve cap stem.
Activate the TPMS sensor by increasing or
decreasing the tire’s air pressure for
ve seconds, or until a horn chirp sounds.
The horn chirp, which make take up to
30 seconds to sound, conrms that the sensor
identication code has been matched to this
tire and wheel position. To decrease
air-pressure out of a tire you can use the
pointed end of the valve cap, a pencil-style air
pressure gage, or a key.
7. Proceed to the passenger’s side front tire, and
repeat the procedure in Step 6.
8. Proceed to the passenger’s side rear tire, and
repeat the procedure in Step 6.
9. Proceed to the driver’s side rear tire, and
repeat the procedure in Step 6.
10. After hearing the conrming horn chirp for the
driver’s side rear tire, the horn chirp will sound
two more times to signal the tire learning
mode is no longer active. Turn the ignition
switch to LOCK.11. Set all four tires to the recommended air
pressure level as indicated on the Tire
and Loading Information label.
12. Put the valve caps back on the valve stems
The spare tire does not have a TPMS sensor.
If you replace one of the road tires with the spare,
the SERVICE TIRE MONITOR message will be
displayed on the DIC screen. This message should
go off once you re-install the road tire containing
the TPMS sensor.
Federal Communications Commission
(FCC) and Industry and Science
Canada
The Tire Pressure Monitor System (TPMS)
operates on a radio frequency and complies with
Part 15 of the FCC Rules. Operation is subject
to the following two conditions:
1. This device may not cause harmful
interference.
2. This device must accept any interference
received, including interference that may
cause undesired operation.
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For prompt and efficient assistance when calling,
please provide the following to the Roadside
Assistance Representative:
Your name, home address, and home
telephone number.
Telephone number of your location.
Location of the vehicle.
Model, year, color, and license plate number
of the vehicle.
Odometer reading, Vehicle Identication
Number (VIN) and delivery date of the vehicle.
Description of the problem.
While we hope you never have the occasion to
use our service, it is added security while traveling
for you and your family. Remember, we are
only a phone call away. U.S. customers call
GMC Roadside Assistance:1-800-462-8782, text
telephone (TTY) users, call1-888-889-2438.
Canadian customers call1-800-268-6800.GMC and General Motors of Canada Limited
reserve the right to limit services or reimbursement
to an owner or driver when, in their sole
discretion, the claims become excessive in
frequency or type of occurrence.
Roadside Assistance is not part of or included in
the coverage provided by the New Vehicle Limited
Warranty. GMC and General Motors of Canada
reserve the right to make any changes or
discontinue the Roadside Assistance program at
any time without notication.
Towing and Road Service Exclusions
Specically excluded from Roadside Assistance
coverage are towing or services for vehicles
operated on a non-public roadway or highway,
nes, impound towing caused by a violation
of local, Municipal, State, Provincial, or Federal
law, and mounting, dismounting or changing
of snow tires, chains, or other traction devices.
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Additional Program Information
All program options, such as shuttle service, may
not be available at every dealer. Please contact
your dealer for specic information about
availability. All Courtesy Transportation
arrangements will be administered by appropriate
dealer personnel.
General Motors reserves the right to unilaterally
modify, change or discontinue Courtesy
Transportation at any time and to resolve all
questions of claim eligibility pursuant to the terms
and conditions described herein at its sole
discretion.
Vehicle Data Collection and Event
Data Recorders
Your vehicle, like other modern motor vehicles, has
a number of sophisticated computer systems that
monitor and control several aspects of the vehicle’s
performance. Your vehicle uses on-board vehicle
computers to monitor emission control components
to optimize fuel economy, to monitor conditions for
airbag deployment and, if so equipped, to provide
anti-lock braking and to help the driver control the
vehicle in difficult driving situations.Some information may be stored during regular
operations to facilitate repair of detected
malfunctions; other information is stored only in a
crash event by computer systems, such as those
commonly called event data recorders (EDR).
In a crash event, computer systems, such as the
Airbag Sensing and Diagnostic Module (SDM)
in your vehicle may record information about the
condition of the vehicle and how it was operated,
such as data related to engine speed, brake
application, throttle position, vehicle speed, safety
belt usage, airbag readiness, airbag performance,
and the severity of a collision. If your vehicle is
equipped with StabiliTrak
®, steering performance,
including yaw rate, steering wheel angle, and
lateral acceleration, is also recorded. This
information has been used to improve vehicle
crash performance and may be used to improve
crash performance of future vehicles and
driving safety. Unlike the data recorders on many
airplanes, these on-board systems do not
record sounds, such as conversation of vehicle
occupants.
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