2015 GMC YUKON XL headlamp

Black plate (1,1)GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-8431503) - 2015 - crc - 8/11/14
2015 GMC Yukon/Yukon XL Owner ManualM
In Brief. . . . . . . . . . . . . . . . . . . . . . . . 1-1
Instrument Panel . . . . . . . . . . . . . . 1-2
Initial Drive Information . . . . . . . . 1-4
Vehicle Features . . . . . . . . . . . . . 1-18
Performance and Maintenance . . . . . . . . . . . . . . . . 1-23
Keys, Doors, and Windows . . . . . . . . . . . . . . . . . . . . 2-1
Keys and Locks . . . . . . . . . . . . . . . 2-2
Doors . . . . . . . . . . . . . . . . . . . . . . . . 2-19
Vehicle Security . . . . . . . . . . . . . . 2-24
Exterior Mirrors . . . . . . . . . . . . . . . 2-28
Interior Mirrors . . . . . . . . . . . . . . . . 2-31
Windows . . . . . . . . . . . . . . . . . . . . . 2-32
Roof . . . . . . . . . . . . . . . . . . . . . . . . . . 2-35
Seats and Restraints . . . . . . . . . 3-1
Head Restraints . . . . . . . . . . . . . . . 3-2
Front Seats . . . . . . . . . . . . . . . . . . . . 3-3
Rear Seats . . . . . . . . . . . . . . . . . . . . 3-9
Safety Belts . . . . . . . . . . . . . . . . . . 3-18
Airbag System . . . . . . . . . . . . . . . . 3-28
Child Restraints . . . . . . . . . . . . . . 3-42 Storage
. . . . . . . . . . . . . . . . . . . . . . . 4-1
Storage Compartments . . . . . . . . 4-1
Additional Storage Features . . . 4-3
Roof Rack System . . . . . . . . . . . . . 4-4
Instruments and Controls . . . . 5-1
Controls . . . . . . . . . . . . . . . . . . . . . . . 5-2
Warning Lights, Gauges, and
Indicators . . . . . . . . . . . . . . . . . . . 5-10
Information Displays . . . . . . . . . . 5-28
Vehicle Messages . . . . . . . . . . . . 5-31
Vehicle Personalization . . . . . . . 5-44
Universal Remote System . . . . 5-52
Lighting . . . . . . . . . . . . . . . . . . . . . . . 6-1
Exterior Lighting . . . . . . . . . . . . . . . 6-1
Interior Lighting . . . . . . . . . . . . . . . . 6-6
Lighting Features . . . . . . . . . . . . . . 6-7
Infotainment System . . . . . . . . . 7-1
Introduction . . . . . . . . . . . . . . . . . . . . 7-1 Climate Controls
. . . . . . . . . . . . . 8-1
Climate Control Systems . . . . . . 8-1
Air Vents . . . . . . . . . . . . . . . . . . . . . . . 8-6
Maintenance . . . . . . . . . . . . . . . . . . . 8-7
Driving and Operating . . . . . . . . 9-1
Driving Information . . . . . . . . . . . . . 9-2
Starting and Operating . . . . . . . 9-19
Engine Exhaust . . . . . . . . . . . . . . 9-30
Automatic Transmission . . . . . . 9-31
Drive Systems . . . . . . . . . . . . . . . . 9-37
Brakes . . . . . . . . . . . . . . . . . . . . . . . 9-41
Ride Control Systems . . . . . . . . 9-44
Cruise Control . . . . . . . . . . . . . . . . 9-47
Driver Assistance Systems . . . 9-57
Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . 9-69
Trailer Towing . . . . . . . . . . . . . . . . 9-74
Conversions and Add-Ons . . . 9-89
Vehicle Care . . . . . . . . . . . . . . . . . 10-1
General Information . . . . . . . . . . 10-2
Vehicle Checks . . . . . . . . . . . . . . . 10-3
Headlamp Aiming . . . . . . . . . . . 10-29
Bulb Replacement . . . . . . . . . . 10-30
Electrical System . . . . . . . . . . . . 10-33
Wheels and Tires . . . . . . . . . . . 10-44

Black plate (4,1)GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-8431503) - 2015 - crc - 8/11/14
iv Introduction
{Warning
Warning indicates a hazard that
could result in injury or death.
{Caution
Caution indicates a hazard that
could result in property or vehicle
damage.
A circle with a slash through it is a
safety symbol which means“Do
Not,” “Do not do this,” or“Do not let
this happen.”
Symbols
The vehicle has components and
labels that use symbols instead of
text. Symbols are shown along with
the text describing the operation or
information relating to a specific
component, control, message,
gauge, or indicator.
M: This symbol is shown when
you need to see your owner manual
for additional instructions or
information.
*: This symbol is shown when
you need to see a service manual
for additional instructions or
information.
Vehicle Symbol Chart
Here are some additional symbols
that may be found on the vehicle
and what they mean. For more
information on the symbol, refer to
the Index.
0: Adjustable Pedals
9:Airbag Readiness Light
!:Antilock Brake System (ABS)
g:Audio Steering Wheel Controls
or OnStar®(if equipped)
$: Brake System Warning Light
":Charging System
I:Cruise Control
B: Engine Coolant Temperature
O:Exterior Lamps
#:Fog Lamps
.: Fuel Gauge
+:Fuses
3: Headlamp High/Low-Beam
Changer
(: Heated Steering Wheel
j:LATCH System Child
Restraints
*: Malfunction Indicator Lamp
::Oil Pressure
g:Outside Power Foldaway
Mirrors
O: Power
/:Remote Vehicle Start

Black plate (3,1)GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-8431503) - 2015 - crc - 8/11/14
In Brief 1-3
1.Air Vents on page 8-6.
2.
gTraction Control/Electronic
Stability Control on page 9-44.
jPower Assist Steps on
page 2-23 (If Equipped).
XParking Assist Button (If
Equipped). See Assistance
Systems for Parking or Backing
on page 9-58.
@Lane Departure Warning
(LDW) on page 9-68 (If
Equipped).
0Pedal Adjust Switch (If
Equipped). See Adjustable
Throttle and Brake Pedal on
page 9-20.
3. Turn Signal Lever. See Turn and
Lane-Change Signals on
page 6-4.
Windshield Wiper/Washer on
page 5-3. 4. Favorite Switches (Out of View).
See Steering Wheel Controls on
page 5-3.
Volume Switches (Out of View).
See Steering Wheel Controls on
page 5-3.
5. Instrument Cluster on page 5-11.
6. Hazard Warning Flashers on
page 6-4.
7. Shift Lever. See Automatic
Transmission on page 9-31.
Tow/Haul Selector Button. See
Tow/Haul Mode on page 9-36.
Range Selection Mode (If
Equipped). See Manual Mode on
page 9-34.
8. Light Sensor. See Automatic
Headlamp System on page 6-3.
9. Infotainment on page 7-1.
10. Instrument Panel Illumination
Control on page 6-6. 11.
Exterior Lamp Controls on
page 6-1.
Fog Lamps on page 6-5 (If
Equipped).
12. Parking Brake on page 9-42.
13. Four-Wheel Drive on page 9-37
(If Equipped).
14. Data Link Connector (DLC) (Out of View). See Malfunction
Indicator Lamp on page 5-20.
15. Trailer Brake Control Panel (If Equipped). See Towing
Equipment on page 9-82.
16. Cruise Control on page 9-47.
Adaptive Cruise Control on
page 9-50 (If Equipped).
Forward Collision Alert (FCA)
System on page 9-61 (If
Equipped).
Heated Steering Wheel on
page 5-3 (If Equipped).
17. Hood Release. See Hood on
page 10-4.

Black plate (11,1)GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-8431503) - 2015 - crc - 8/11/14
In Brief 1-11
The passenger airbag status
indicator will light on the overhead
console when the vehicle is started.
SeePassenger Airbag Status
Indicator on page 5-18.
Mirror Adjustment
Interior Mirror
Adjustment
Adjust the rearview mirror for a clear
view of the area behind the vehicle.
Manual Rearview Mirror
Push the tab forward for daytime
use and pull it rearward for
nighttime use to avoid glare of the
headlamps from behind.
Automatic Dimming Rearview
Mirror
If equipped, the mirror automatically
dims to reduce the glare of
headlamps from behind. The
dimming feature comes on when the
vehicle is started.
Exterior Mirrors
Power Mirrors
Shown with Power Folding
Mirrors, Manual Folding Similar
To adjust the mirrors:
1. Press (1) or (2) to select the driver or passenger side mirror.
2. Press the arrows on the control pad to move each mirror in the
desired direction.
3. Press either (1) or (2) again to deselect the mirror.
See Power Mirrors on page 2-29. Folding Mirrors
The outside mirrors can be folded
inward to prevent damage when
going through an automatic car
wash. To fold, pull the mirror toward
the vehicle. See
Folding Mirrors on
page 2-29.
Power Folding Mirrors
To adjust power folding mirrors,
if equipped:
1. Press
{to fold the mirrors
inward.

Black plate (14,1)GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-8431503) - 2015 - crc - 8/11/14
1-14 In Brief
Pressmornnext to each reading
lamp to turn it on or off.
For more information about interior
lighting, see Instrument Panel
Illumination Control on page 6-6.
Exterior Lighting
The exterior lamp control is on the
instrument panel to the left of the
steering wheel.
There are four positions.
O: 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:
Automatically turns on the
headlamps, parking lamps,
taillamps, instrument panel lights,
roof marker lamps (if equipped), and
license plate lamps.
;: Turns on the parking lamps
including all lamps, except the
headlamps.
5: Turns on the headlamps with
the parking lamps and instrument
panel lights.
See:
.Exterior Lamp Controls on
page 6-1
.Fog Lamps on page 6-5

Black plate (29,1)GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-8431503) - 2015 - crc - 8/11/14
Keys, Doors, and Windows 2-29
Power Mirrors
Shown with Power Folding
Mirrors, Manual Folding Similar
To adjust the mirrors:
1. Press (1) or (2) to select the driver or passenger side mirror.
The indicator light comes on.
2. Press the arrows on the control pad to move the mirror up,
down, right, or left.
3. Adjust the outside mirror so that the side of the vehicle and the
area behind are seen. 4. Press either (1) or (2) again to
deselect the mirror. The indicator
light goes off.
Exterior Automatic Dimming
Mirror
If equipped, the driver outside mirror
automatically adjusts for the glare of
headlamps behind. This feature
comes on when the vehicle is
started. See Automatic Dimming
Rearview Mirror on page 2-32.
Turn Signal Indicator
The vehicle may also have a turn
signal indicator on the mirror. An
arrow on the mirror flashes in the
direction of the turn or lane change.
Folding Mirrors
Power Folding
To adjust power folding mirrors,
if equipped:
1. Press
{to fold the mirrors
inward.
2. Press
{again to return the
mirrors to the driving position.

Black plate (30,1)GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-8431503) - 2015 - crc - 8/11/14
2-30 Keys, Doors, and Windows
Resetting the Power Folding
Mirrors
Reset the power folding mirrors if:
.The mirrors are accidentally
obstructed while folding.
.They are accidentally manually
folded/unfolded.
.The mirrors will not stay in the
unfolded position.
.The mirrors vibrate at normal
driving speeds.
Fold and unfold the mirrors one time
using the mirror controls to reset
them to their normal position.
A popping noise may be heard
during the resetting of the power
folding mirrors. This sound is normal
after a manual folding operation.
Manual Folding
Fold the mirrors inward to prevent
damage when going through an
automatic car wash. To fold, pull the
mirror toward the vehicle. Push the
mirror outward, to return to its
original position.
Heated Mirrors
The heated outside rearview mirrors
turn on when the rear window
defogger is on.
1(Rear Window Defogger):
Press to heat the mirror.
See “Rear Window Defogger” under
Dual Automatic Climate Control
System on page 8-1.
Automatic Dimming
Mirror
If the vehicle has the automatic
dimming mirror, the driver outside
mirror automatically adjusts for the
glare of the headlamps from behind.
Blind Spot Mirrors
If equipped, there is a small convex
mirror built into the upper and outer
corner of the driver outside rearview
mirror. It can show objects that may
be in the vehicle's blind zone.
Driving with the Blind Spot
Mirror
Actual Mirror View

Black plate (31,1)GMC 2015i Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-8431503) - 2015 - crc - 8/11/14
Keys, Doors, and Windows 2-31
1. When the approaching vehicle isa long distance away, the image
in the main mirror is small and
near the inboard edge of the
mirror.
2. As the vehicle gets closer, the image in the main mirror gets
larger and moves outboard.
3. As the vehicle enters the blind zone, the image transitions from
the main mirror to the blind spot
mirror.
4. When the vehicle is in the blind zone, the image only appears in
the blind spot mirror.
Using the Outside Mirror with
the Blind Spot Mirror
1. Set the main mirror so that theside of the vehicle can just be
seen and the blind spot mirror
has an unobstructed view.
2. When checking for traffic or before changing a lane, look at
the main driver/passenger side
mirror to observe traffic in the
adjacent lane, behind your vehicle. Check the blind spot
mirror for a vehicle in the blind
zone. Then, glance over your
shoulder to double check before
moving slowly into the
adjacent lane.
Reverse Tilt Mirrors
If equipped with memory seats, the
passenger and/or driver mirror tilts
to a preselected position when the
vehicle is in R (Reverse). This
allows the curb to be seen when
parallel parking.
The mirror(s) return to the original
position when:
.The vehicle is shifted out of
R (Reverse), or remains in
R (Reverse) for about
30 seconds.
.The ignition is turned off.
.The vehicle is driven in
R (Reverse) above a set speed.
To turn this feature on or off, see
Vehicle Personalization on
page 5-44.
Interior Mirrors
Interior Rearview Mirrors
Adjust the rearview mirror for a clear
view of the area behind your
vehicle.
If equipped with OnStar, the vehicle
may have three control buttons at
the bottom of the mirror. See your
dealer for more information about
OnStar and how to subscribe to it.
See OnStar Overview on page 14-1.
Do not spray glass cleaner directly
on the mirror. Use a soft towel
dampened with water.
Manual Rearview Mirror
If equipped with a manual rearview
mirror, push the tab forward for
daytime use and pull it for nighttime
use to avoid glare from the
headlamps from behind.