2011 GMC YUKON tow

Black plate (2,1)GMC Yukon/Yukon XL Owner Manual - 2011
6-2 Lighting
The exterior lamps control has
four positions:
O(Off):Turns off the automatic
headlamps and Daytime Running
Lamps (DRL). Turn the headlamp
control to the off position again to
turn the automatic headlamps or
DRL back on.
For vehicles first sold in Canada,
the off position will only work when
the vehicle is shifted into P (Park).
AUTO (Automatic): Automatically
turns on the headlamps at normal
brightness, together with the
following:
.Parking Lamps
.Instrument Panel Lights
.Taillamps
.License Plate Lamps
;(Parking Lamps): Turns on
the parking lamps together with the
following:
.Instrument Panel Lights
.Taillamps
.License Plate Lamps
2(Headlamps): Turns on the
headlamps together with the
following lamps listed below.
.Parking Lamps
.Instrument Panel Lights
.Taillamps
.License Plate Lamps
When the headlamps are turned
on while the vehicle is on, the
headlamps will turn off automatically
10 minutes after the ignition is
turned off. When the headlamps
are turned on while the vehicle is
off, the headlamps will stay on for
10 minutes before automatically
turning off to prevent the battery from being drained. Turn the
headlamp control to off and then
back to the headlamp on position to
make the headlamps stay on for an
additional 10 minutes.
Exterior Lamps Off
Reminder
A reminder chime will sound when
the headlamps or parking lamps are
manually turned on and the ignition
is off and a door is open. To disable
the chime, turn the light off.
Headlamp High/
Low-Beam Changer
5 3
(Headlamp High/Low Beam
Changer): To change the
headlamps from low to high beam,
push the lever toward the instrument
panel. To return to low-beam
headlamps, pull the multifunction
lever toward you. Then release it.

Black plate (3,1)GMC Yukon/Yukon XL Owner Manual - 2011
Lighting 6-3
When the high beams are on, this
indicator light on the instrument
panel cluster will also be on.
Flash-to-Pass
This feature lets you use the
high-beam headlamps to signal
a driver in front of you that you
want to pass. It works even if the
headlamps are in the automatic
position.
To use it, pull the turn signal lever
toward you, then release it.
If the headlamps are in the
automatic position or on low beam,
the high-beam headlamps will turn
on. They will stay on as long as
you hold the lever toward you.The high-beam indicator on the
instrument panel cluster will come
on. Release the lever to return to
normal operation.
Daytime Running
Lamps (DRL)
Daytime Running Lamps (DRL) can
make it easier for others to see the
front of your vehicle during the day.
Fully functional daytime running
lamps are required on all vehicles
first sold in Canada.
The DRL system comes on when
the following conditions are met:
.The ignition is on.
.The exterior lamps control is
in AUTO.
.The transmission is not in Park.
.The light sensor determines it is
daytime.
When the DRL system is on,
only the DRL lamps are on. The
taillamps, sidemarker, instrument
panel lights, and other lamps will
not be on.
When it begins to get dark, the
automatic headlamp system
switches from DRL to the
headlamps.
To turn off the DRL lamps, turn the
exterior lamps control to the OFF
position and then release. For
vehicles first sold in Canada, the
transmission must be in the P (Park)
position before the DRL lamps can
be turned off.

Black plate (5,1)GMC Yukon/Yukon XL Owner Manual - 2011
Lighting 6-5
To idle the vehicle with the
automatic headlamp system off, turn
the control to the off position.
The headlamps will also stay on
after you exit the vehicle. This
feature can be programmed using
the Driver Information Center (DIC).
SeeVehicle Personalization (With
DIC Buttons) on page 5‑47.
If the vehicle is not equipped
with DIC buttons, exit lighting
is automatic. When it is dark
enough outside, the exterior lamps
remain on for 30 seconds after the
ignition is moved from ON/RUN to
LOCK/OFF.
For vehicles without a radio, the
instrument panel light remains on
for 30 seconds with the driver door
closed. For vehicles with a radio,
the instrument panel light remains
on for 10 minutes with the driver
door closed. See Retained
Accessory Power (RAP) on
page 9‑33.
The regular headlamp system can
be turned on when needed.Hazard Warning Flashers
|(Hazard Warning Flashers):
Press this button located on top of
the steering column, to make the
front and rear turn signal lamps
flash on and off. This warns others
that you are having trouble. Press
again to turn the flashers off.
When the hazard warning flashers
are on, the vehicle's turn signals will
not work.
Turn and Lane-Change
Signals
An arrow on the instrument panel
cluster flashes in the direction of the
turn or lane change.
Move the lever all the way up or
down to signal a turn.
Raise or lower the lever for less
than one second until the arrow
starts to flash to signal a lane
change. This causes the turn
signals to automatically flash
three times. It will flash six times
if tow-haul mode is active. Holding
the turn signal lever for more than
one second will cause the turn
signals to flash until you release the
lever.

Black plate (44,1)GMC Yukon/Yukon XL Owner Manual - 2011
7-44 Infotainment System
Tips and Troubleshooting Chart (cont.)
ProblemRecommended Action
Sometimes the wireless headphone audio cuts out or
buzzes. Check for obstructions, low batteries, reception range,
and interference from cellular telephone towers, or use a
cellular telephone in the vehicle.
Check that the headphones are on correctly using the
L (left) and R (right) on the headphones.
The remote and/or the headphones are lost. See your dealer for assistance.
The DVD is playing, but there is no picture or sound. Check that the RSE video screen is sourced to the DVD player.
DVD Display Error Messages
The DVD display error message
depends on the radio that is in the
vehicle. The video screen can
display one of the following:
Disc Load/Eject Error:This
message displays when there are
disc load or eject problems.
Disc Format Error: This message
displays if the disc is inserted with
the disc label wrong side up, or if
the disc is damaged. Disc Region Error:
This message
displays if the disc is not from a
correct region.
No Disc Inserted: This message
displays if no disc is present
when
Zor DVD AUX is pressed
on the radio.
DVD Distortion
Video distortion can occur when
operating cellular phones, scanners,
CB radios, Global Position Systems
(GPS)*, two-way radios, mobile fax
machines, or walkie talkies.
It might be necessary to turn off the
DVD player when operating one of
these devices in or near the vehicle.
*Excludes the OnStar
®System.

Black plate (2,1)GMC Yukon/Yukon XL Owner Manual - 2011
8-2 Climate Controls
9(Fan Control):Turn the left
knob clockwise or counterclockwise
to increase or decrease the fan
speed. Turn the knob all the way
counterclockwise to turn the front
system off.
Air Delivery Mode Control: Turn
clockwise or counterclockwise to
change the airflow direction inside
the vehicle. By positioning the knob
between two modes, a combination
of those modes is selected.
Select from the following modes:
H(Vent): Air is directed to the
instrument panel outlets.
)(Bi-Level): Air is divided
between the instrument panel and
floor outlets. Some air is directed
towards the windshield and side
window outlets. Cooler air is
directed to the upper outlets and
warmer air to the floor outlets.
6(Floor): Air is directed to the
floor outlets, with some of the air
directed to the windshield, side
window, and second row floor
outlets. In this mode, the system
automatically selects outside air.
Recirculation cannot be selected
when in Floor Mode.
-(Defog): The defog mode is
used to clear the windows of fog
or moisture. Air is directed to the
windshield, floor outlets, and side
window vents. In this mode, the
system turns off recirculation and
runs the air conditioning compressor
unless the outside temperature is
close to freezing. The recirculation
mode cannot be selected while in
the defog mode.
0(Defrost): The defrost mode
is used to remove fog or frost from
the windshield more quickly. Air is
directed to the windshield and side
window vents, with some directed
to the floor vents. In this mode, the
system automatically forces outside
air into the vehicle. The recirculation
mode cannot be selected while
in the defrost mode. The air
conditioning compressor runs
automatically in this setting, unless
the outside temperature is close to
freezing.
Do not drive the vehicle until all the
windows are clear.
#(Air Conditioning): Press this
button to turn the air conditioning
system on or off. An indicator
light comes on to show that the
air conditioning is on. The air
conditioning can be selected in
any mode as long as the fan switch
is on.

Black plate (6,1)GMC Yukon/Yukon XL Owner Manual - 2011
8-6 Climate Controls
If a temperature setting
of 32°C (90°F) is chosen, the
system remains at the maximum
heat setting. Choosing either
maximum setting will not cause
the vehicle to heat or cool any
faster.
Do not to cover the solar sensor
located on the top of the instrument
panel near the windshield. This
sensor regulates air temperature
based on sun load and also turns
on the headlamps. For more
information on the solar sensor,
see “Sensors” later in this section.
To avoid blowing cold air in cold
weather, the system will delay
turning on the fan until warm air
is available. The length of delay
depends on the engine coolant
temperature. Pressing the fan
switch will override this delay and
change the fan to a selected speed.Manual Operation
D C(Fan Control): Press these
buttons to increase or decrease the
fan speed.
Pressing either fan button while in
automatic control places the fan
under manual control. The fan
setting remains displayed and
the AUTO light turns off. The air
delivery mode remains under
automatic control.
H G(Air Delivery Mode Control):
Press these buttons to change the
direction of the airflow in the vehicle.
Repeatedly press either button until
the desired mode appears on the
display. Pressing either mode button
while the system is off changes the
air delivery mode without turning the
system on. Pressing either mode
button while in automatic control
places the mode under manual
control. The air delivery mode setting is
displayed and the AUTO light
turns off. The fan remains under
automatic control.
H(Vent):
Air is directed to the
instrument panel outlets.
)(Bi-Level): Air is divided
between the instrument panel and
floor outlets. Some air is directed
towards the windshield and side
window outlets.
6(Floor): Air is directed to the
floor outlets, with some to the
windshield, side window outlets,
and second row floor outlets. In this
mode, the system automatically
selects outside air.

Black plate (1,1)GMC Yukon/Yukon XL Owner Manual - 2011
Driving and Operating 9-1
Driving and
Operating
Driving Information
Defensive Driving . . . . . . . . . . . . . 9-2
Drunk Driving . . . . . . . . . . . . . . . . . 9-2
Control of a Vehicle . . . . . . . . . . . 9-3
Braking . . . . . . . . . . . . . . . . . . . . . . . 9-4
Steering . . . . . . . . . . . . . . . . . . . . . . . 9-5
Off-Road Recovery . . . . . . . . . . . . 9-6
Loss of Control . . . . . . . . . . . . . . . . 9-6
Off-Road Driving . . . . . . . . . . . . . . 9-7
Driving on Wet Roads . . . . . . . 9-18
Highway Hypnosis . . . . . . . . . . . 9-19
Hill and Mountain Roads . . . . . 9-19
Winter Driving . . . . . . . . . . . . . . . 9-20
If the Vehicle is Stuck . . . . . . . . 9-22
Vehicle Load Limits . . . . . . . . . . 9-23
Starting and Operating
New Vehicle Break-In . . . . . . . . 9-28
Adjustable Throttle and BrakePedal . . . . . . . . . . . . . . . . . . . . . . . 9-28
Ignition Positions . . . . . . . . . . . . 9-29 Starting the Engine . . . . . . . . . . 9-30
Engine Heater . . . . . . . . . . . . . . . 9-32
Retained Accessory
Power (RAP) . . . . . . . . . . . . . . . 9-33
Shifting Into Park . . . . . . . . . . . . 9-33
Shifting Out of Park . . . . . . . . . . 9-34
Parking Over Things
That Burn . . . . . . . . . . . . . . . . . . 9-35
Active Fuel Management
®. . . 9-35
Engine Exhaust
Engine Exhaust . . . . . . . . . . . . . . 9-36
Running the Vehicle While Parked . . . . . . . . . . . . . . . . . . . . . 9-36
Automatic Transmission
Automatic Transmission . . . . . 9-37
Manual Mode . . . . . . . . . . . . . . . . 9-41
Tow/Haul Mode . . . . . . . . . . . . . . 9-42
Drive Systems
Four-Wheel Drive (Two SpeedAutomatic
Transfer Case) . . . . . . . . . . . . . 9-43
Four-Wheel Drive (Single Speed Automatic
Transfer Case) . . . . . . . . . . . . . 9-48
Brakes
Antilock BrakeSystem (ABS) . . . . . . . . . . . . . . 9-50
Parking Brake . . . . . . . . . . . . . . . 9-51
Brake Assist . . . . . . . . . . . . . . . . . 9-52
Ride Control Systems
StabiliTrak®System . . . . . . . . . 9-52
Locking Rear Axle . . . . . . . . . . . 9-55
Continuous Damping Control (CDC) . . . . . . . . . . . . . . 9-55
Automatic Level Control . . . . . 9-55
Cruise Control
Cruise Control . . . . . . . . . . . . . . . 9-56
Object Detection Systems
Ultrasonic Parking Assist . . . . 9-58
Side Blind Zone Alert (SBZA) . . . . . . . . . . . . . . . 9-60
Rear Vision Camera (RVC) . . . . . . . . . . . . . 9-63

Black plate (2,1)GMC Yukon/Yukon XL Owner Manual - 2011
9-2 Driving and Operating
Fuel
Fuel . . . . . . . . . . . . . . . . . . . . . . . . . 9-68
Recommended Fuel . . . . . . . . . 9-68
Gasoline Specifications (U.S.and Canada Only) . . . . . . . . . . 9-69
California Fuel
Requirements . . . . . . . . . . . . . . 9-69
Fuels in Foreign Countries . . . 9-69
Fuel Additives . . . . . . . . . . . . . . . 9-69
Fuel E85 (85% Ethanol) . . . . . 9-70
Filling the Tank . . . . . . . . . . . . . . 9-72
Filling a Portable Fuel Container . . . . . . . . . . . . . . . . . . . 9-74
Towing
General TowingInformation . . . . . . . . . . . . . . . . . 9-74
Driving Characteristics and
Towing Tips . . . . . . . . . . . . . . . . 9-75
Trailer Towing . . . . . . . . . . . . . . . . 9-79
Towing Equipment . . . . . . . . . . . 9-84
Conversions and Add-Ons
Add-On Electrical Equipment . . . . . . . . . . . . . . . . . 9-94
Adding a Snow Plow or Similar Equipment . . . . . . . . . . 9-94
Driving Information
Defensive Driving
Defensive driving means “always
expect the unexpected.” The
first step in driving defensively
is to wear the safety belt. See
Safety Belts on page 3‑21.
{WARNING
Assume that other road users
(pedestrians, bicyclists, and other
drivers) are going to be careless
and make mistakes. Anticipate
what they might do and be ready.
In addition:
.Allow enough following
distance between you and
the driver in front of you.
.Focus on the task of driving.
(Continued)
WARNING (Continued)
Driver distraction can cause
collisions resulting in injury or
possible death. These simple
defensive driving techniques
could save your life.
Drunk Driving
{WARNING
Drinking and then driving is
very dangerous. Your reflexes,
perceptions, attentiveness, and
judgment can be affected by even
a small amount of alcohol. You
can have a serious —or even
fatal —collision if you drive after
drinking.
Do not drink and drive or ride with
a driver who has been drinking.
Ride home in a cab; or if you are
with a group, designate a driver
who will not drink.