2014 GMC YUKON warning

Black plate (84,1)GMC Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada-
6081505) - 2014 - crc - 4/23/13
10-84 Vehicle Care
2. Drive the front wheels onto thedolly.
3. Shift the transmission to P (Park).
4. Firmly set the parking brake.
{Warning
Shifting a four-wheel-drive
vehicle's transfer case into
N (Neutral) can cause the vehicle
to roll even if the transmission is
in P (Park). The driver or others
could be injured. Make sure the
parking brake is firmly set before
the transfer case is shifted to
N (Neutral).
5. Use an adequate clamping device designed for towing to
ensure that the front wheels are
locked into the straight position. 6. Shift the transfer case to
N (Neutral). See Four-Wheel
Drive (Single Speed Automatic
Transfer Case) on page 9-37 or
Four-Wheel Drive (Two Speed
Automatic Transfer Case) on
page 9-33.
7. Secure the vehicle to the dolly following the manufacturer's
instructions.
8. Release the parking brake only after the vehicle being towed is
firmly attached to the towing
vehicle.
9. Turn the ignition to LOCK/OFF.
After towing, see “Shifting Out of
N (Neutral)” underFour-Wheel Drive
(Single Speed Automatic Transfer
Case) on page 9-37 orFour-Wheel
Drive (Two Speed Automatic
Transfer Case) on page 9-33.
Rear Towing (Rear Wheels Off
the Ground)
Two-Wheel-Drive Vehicles and
Four-Wheel Drive Vehicles with a
Single Speed Automatic
Transfer Case
Use the following procedure to dolly
tow the vehicle from the rear:
1. Attach the dolly to the tow
vehicle following the dolly
manufacturer's instructions.
2. Drive the rear wheels onto the dolly.

Black plate (85,1)GMC Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada-
6081505) - 2014 - crc - 4/23/13
Vehicle Care 10-85
3. Firmly set the parking brake.See Parking Brake on
page 9-40.
4. Put the transmission in P (Park).
5. Secure the vehicle to the dolly following the manufacturer's
instructions.
6. Use an adequate clamping device designed for towing to
ensure that the front wheels are
locked into the straight position.
7. For four-wheel drive vehicles with a single speed automatic
transfer case, shift the transfer
case into Two-Wheel Drive High.
See Four-Wheel Drive (Single
Speed Automatic Transfer Case)
on page 9-37 orFour-Wheel
Drive (Two Speed Automatic
Transfer Case) on page 9-33.
8. Turn the ignition to LOCK/OFF. Four-Wheel Drive Vehicles with a
Two Speed Automatic
Transfer Case
Use the following procedure to dolly
tow a four-wheel drive vehicle from
the rear:
1. Attach the dolly to the tow
vehicle following the dolly
manufacturer's instructions.
2. Drive the rear wheels onto the dolly.
3. Firmly set the parking brake. See Parking Brake on
page 9-40.
4. Put the transmission in P (Park).
5. Secure the vehicle to the dolly following the manufacturer's
instructions.
6. Use an adequate clamping device designed for towing to
ensure that the front wheels are
locked into the straight position.{Warning
Shifting a four-wheel-drive
vehicle's transfer case into
N (Neutral) can cause the vehicle
to roll even if the transmission is
in P (Park). The driver or others
could be injured. Make sure the
parking brake is firmly set before
the transfer case is shifted to
N (Neutral).
7. Shift the transfer case to N (Neutral). See Four-Wheel
Drive (Single Speed Automatic
Transfer Case) on page 9-37 or
Four-Wheel Drive (Two Speed
Automatic Transfer Case) on
page 9-33.
8. Turn the ignition to LOCK/OFF.
After towing, see “Shifting Out of
N (Neutral)” underFour-Wheel Drive
(Single Speed Automatic Transfer
Case) on page 9-37 orFour-Wheel
Drive (Two Speed Automatic
Transfer Case) on page 9-33.

Black plate (92,1)GMC Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada-
6081505) - 2014 - crc - 4/23/13
10-92 Vehicle Care
Care of Safety Belts
Keep belts clean and dry.
{Warning
Do not bleach or dye safety belts.
It may severely weaken them. In
a crash, they might not be able to
provide adequate protection.
Clean safety belts only with mild
soap and lukewarm water.
Floor Mats
{Warning
If a floor mat is the wrong size or
is not properly installed, it can
interfere with the pedals.
Interference with the pedals can
cause unintended acceleration
and/or increased stopping
distance which can cause a crash
and injury. Make sure the floor
mat does not interfere with the
pedals.Use the following guidelines for
proper floor mat usage.
.The original equipment floor
mats were designed for the
vehicle. If the floor mats need
replacing, it is recommended
that GM certified floor mats be
purchased. Non-GM floor mats
may not fit properly and may
interfere with the pedals. Always
check that the floor mats do not
interfere with the pedals.
.Use the floor mat with the
correct side up. Do not turn
it over.
.Do not place anything on top of
the driver side floor mat.
.Use only a single floor mat on
the driver side.
.Do not place one floor mat on
top of another.

Black plate (2,1)GMC Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada-
6081505) - 2014 - crc - 4/23/13
11-2 Service and Maintenance
Because of the way people use
vehicles, maintenance needs vary.
There may need to be more
frequent checks and services. The
Additional Required Services‐
Normal are for vehicles that:
.Carry passengers and cargo
within recommended limits on
the Tire and Loading Information
label. See Vehicle Load Limits
on page 9-15.
.Are driven on reasonable road
surfaces within legal driving
limits.
.Use the recommended fuel. See
Recommended Fuel on
page 9-55.
Refer to the information in the
Maintenance Schedule Additional
Required Services ‐Normal chart.
The Additional Required Services ‐
Severe are for vehicles that are:
.Mainly driven in heavy city traffic
in hot weather.
.Mainly driven in hilly or
mountainous terrain.
.Frequently towing a trailer.
.Used for high speed or
competitive driving.
.Used for taxi, police, or delivery
service.
Refer to the information in the
Maintenance Schedule Additional
Required Services ‐Severe chart.
{Warning
Performing maintenance work can
be dangerous and can cause
serious injury. Perform
maintenance work only if the
required information, proper tools,
and equipment are available.
If they are not, see your dealer to
have a trained technician do the
work. See Doing Your Own
Service Work on page 10-3.
Maintenance
Schedule
Owner Checks and Services
At Each Fuel Stop
.Check the engine oil level. See
Engine Oil on page 10-6.
Once a Month
.Check the tire inflation
pressures. See Tire Pressure on
page 10-48.
.Inspect the tires for wear. See
Tire Inspection on page 10-53.
.Check the windshield washer
fluid level. See Washer Fluid on
page 10-21.
Engine Oil Change
When the CHANGE ENGINE OIL
SOON message displays, have the
engine oil and filter changed within
the next 1 000 km/600 mi. If driven
under the best conditions, the
engine oil life system might not
indicate the need for vehicle service

Black plate (1,1)GMC Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada-
6081505) - 2014 - crc - 4/23/13
INDEX i-1
A
Accessories andModifications . . . . . . . . . . . . . . . . . 10-3
Accessory Power . . . . . . . . . . . . . . 9-24
Active Fuel Management
®. . . . . 9-27
Add-On Electrical Equipment . . . . . . . . . . . . . . . . . . . 9-77
Adding a Snow Plow or Similar Equipment . . . . . . . . . . . . 9-78
Additional Information OnStar
®. . . . . . . . . . . . . . . . . . . . . . 14-5
Adjustable Throttle and Brake Pedal . . . . . . . . . . . . . . . . . . 9-20
Adjustments Lumbar, Front Seats . . . . . . . . . . . 3-4
Air Cleaner/Filter, Engine . . . . . 10-13
Air Vents . . . . . . . . . . . . . . . . . . . . . . 8-12
Airbag System
Check . . . . . . . . . . . . . . . . . . . . . . . . 3-39
How Does an AirbagRestrain? . . . . . . . . . . . . . . . . . . . 3-32
Passenger Sensing System . . . . . . . . . . . . . . . . . . . . . . 3-33
What Makes an Airbag Inflate? . . . . . . . . . . . . . . . . . . . . . . 3-31 Airbag System (cont'd)
What Will You See after an
Airbag Inflates? . . . . . . . . . . . . . 3-32
When Should an Airbag
Inflate? . . . . . . . . . . . . . . . . . . . . . . 3-30
Where Are the Airbags? . . . . . . 3-28
Airbags Adding Equipment to theVehicle . . . . . . . . . . . . . . . . . . . . . . 3-38
Passenger Status Indicator . . . 5-17
Readiness Light . . . . . . . . . . . . . . 5-16
Servicing Airbag-Equipped Vehicles . . . . . . . . . . . . . . . . . . . . . 3-38
System Check . . . . . . . . . . . . . . . . 3-27
Alarm Vehicle Security . . . . . . . . . . . . . . 2-12
All-Terrain Tires . . . . . . . . . . . . . . . 10-41
AM-FM Radio . . . . . . . . . . . . . . . . . . 7-10
Antenna Rear Side Window . . . . . . . . . . . . 7-15
Satellite Radio . . . . . . . . . . . . . . . . 7-16
Antilock Brake System (ABS) . . . . . . . . . . . . . . . . 9-39
Warning Light . . . . . . . . . . . . . . . . . 5-22
Appearance Care Exterior . . . . . . . . . . . . . . . . . . . . . 10-86
Interior . . . . . . . . . . . . . . . . . . . . . . 10-89 Armrest Storage . . . . . . . . . . . . . . . . 4-1
Assistance Program,
Roadside . . . . . . . . . . . . . . . . . . . . . 13-5
Audio Players . . . . . . . . . . . . . . . . . 7-16 CD . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-16
CD/DVD . . . . . . . . . . . . . . . . . . . . . . 7-21
Audio System
Radio Reception . . . . . . . . . . . . . . 7-14
Rear Seat (RSA) . . . . . . . . . . . . . 7-46
Theft-Deterrent Feature . . . . . . . . 7-2
Automatic
Dimming Mirrors . . . . . . . . . . . . . . 2-18
Door Locks . . . . . . . . . . . . . . . . . . . . 2-8
Headlamp System . . . . . . . . . . . . . 6-3
Level Control . . . . . . . . . . . . . . . . . 9-45
Transmission . . . . . . . . . . . . . . . . . 9-28
Transmission Fluid . . . . . . . . . 10-10
Automatic Transmission Manual Mode . . . . . . . . . . . . . . . . . 9-31
Shift Lock ControlFunction Check . . . . . . . . . . . 10-27
Auxiliary Devices . . . . . . . . . . . . . . . . . . . . . . . 7-31
Roof Mounted Lamp . . . . . . . . . . . 6-6
Axle, Front . . . . . . . . . . . . . . . . . . . . 10-25
Axle, Rear . . . . . . . . . . . . . . . . . . . . 10-26

Black plate (2,1)GMC Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada-
6081505) - 2014 - crc - 4/23/13
i-2 INDEX
B
Battery . . . . . . . . . . . . . . . . . . . . . . . 10-24Jump Starting . . . . . . . . . . . . . . . 10-76
Load Management . . . . . . . . . . . . . 6-8
Power Protection . . . . . . . . . . . . . . 6-9
Voltage and ChargingMessages . . . . . . . . . . . . . . . . . . . 5-34
Blade Replacement, Wiper . . . 10-28
Bluetooth Overview . . . . . . . . . . . . . . . . . . . . . 7-48
Brake
Pedal and AdjustableThrottle . . . . . . . . . . . . . . . . . . . . . . 9-20
System Warning Light . . . . . . . . 5-21
Brakes . . . . . . . . . . . . . . . . . . . . . . . . 10-21 Antilock . . . . . . . . . . . . . . . . . . . . . . . 9-39
Assist . . . . . . . . . . . . . . . . . . . . . . . . . 9-41
Fluid . . . . . . . . . . . . . . . . . . . . . . . . 10-22
Parking . . . . . . . . . . . . . . . . . . . . . . . 9-40
System Messages . . . . . . . . . . . . 5-35
Braking . . . . . . . . . . . . . . . . . . . . . . . . . 9-3
Break-In, New Vehicle . . . . . . . . . 9-19
Bulb Replacement . . . . . . . . . . . . 10-31 Fog Lamps . . . . . . . . . . . . . . . . . . . . 6-6
Halogen Bulbs . . . . . . . . . . . . . . 10-30
Headlamp Aiming . . . . . . . . . . . 10-29 Bulb Replacement (cont'd)
Headlamps . . . . . . . . . . . . . . . . . 10-30
License Plate Lamps . . . . . . . 10-31
Taillamps, Turn Signal,
Stoplamps, and
Back-up Lamps . . . . . . . . . . . 10-30
Buying New Tires . . . . . . . . . . . . . 10-56
C
Calibration . . . . . . . . . . . . . . . . . . . . . . 5-5
California Fuel Requirements . . . . . . . . . . . 9-56
Perchlorate MaterialsRequirements . . . . . . . . . . . . . . . 10-3
Warning . . . . . . . . . . . . . . . . . . . . . . 10-2
Camera, Rear Vision . . . . . . . . . . 9-51
Canadian Vehicle Owners . . . . . . . . iii
Capacities and
Specifications . . . . . . . . . . . . . . . . 12-2
Carbon Monoxide
Engine Exhaust . . . . . . . . . . . . . . . 9-27
Liftgate . . . . . . . . . . . . . . . . . . . . . . . . 2-9
Winter Driving . . . . . . . . . . . . . . . . 9-12
Cargo Cover . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2 Cautions, Danger, and
Warnings . . . . . . . . . . . . . . . . . . . . . . . . iv
CD Player . . . . . . . . . . . . . . . . . . . . . 7-16
CD/DVD Player . . . . . . . . . . . . . . . . 7-21
Center Console Storage . . . . . . . . 4-2
Center Seat . . . . . . . . . . . . . . . . . . . . 3-3
Chains, Tire . . . . . . . . . . . . . . . . . . 10-60
Charging System Light . . . . . . . . 5-18
Check Engine Light . . . . . . . . . . . . . . . . . . 5-19
IgnitionTransmission Lock . . . . . . . . 10-27
Child Restraints Infants and YoungChildren . . . . . . . . . . . . . . . . . . . . . 3-42
Lower Anchors and
Tethers for Children . . . . . . . . . 3-47
Older Children . . . . . . . . . . . . . . . . 3-40
Securing . . . . . . . . . . 3-54, 3-55, 3-58
Systems . . . . . . . . . . . . . . . . . . . . . . 3-44
Circuit Breakers . . . . . . . . . . . . . . 10-32
Cleaning
Exterior Care . . . . . . . . . . . . . . . 10-86
Interior Care . . . . . . . . . . . . . . . . 10-89

Black plate (3,1)GMC Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada-
6081505) - 2014 - crc - 4/23/13
INDEX i-3
Climate Control Systems . . . . . . . 8-1Air Conditioning . . . . . . . . . . . . . . . 8-1
Dual Automatic . . . . . . . . . . . . . . . . 8-4
Heating . . . . . . . . . . . . . . . . . . . . . . . . 8-1
Rear . . . . . . . . . . . . . . . . . . . . . 8-9, 8-11
Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-7
Cluster, Instrument . . . . . . . . . . . . 5-11
Collision Damage Repair . . . . . . 13-9
Compass . . . . . . . . . . . . . . . . . . . . . . . 5-5
Connections OnStar
®. . . . . . . . . . . . . . . . . . . . . . 14-3
Continuous Damping Control (CDC) . . . . . . . . . . . . . . . . 9-44
Control of a Vehicle . . . . . . . . . . . . . 9-3
Convex Mirrors . . . . . . . . . . . . . . . . 2-15
Coolant Engine . . . . . . . . . . . . . . . . . . . . . . 10-15
Engine TemperatureGauge . . . . . . . . . . . . . . . . . . . . . . 5-14
Cooling System . . . . . . . . . . . . . . . 10-14 Engine Messages . . . . . . . . . . . . 5-36
Courtesy Transportation Program . . . . . . . . . . . . . . . . . . . . . . 13-8
Cover Cargo . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2 Cruise Control . . . . . . . . . . . . . . . . . 9-46
Light . . . . . . . . . . . . . . . . . . . . . . . . . . 5-25
Cupholders . . . . . . . . . . . . . . . . . . . . . 4-1
Customer Assistance . . . . . . . . . . 13-4 Offices . . . . . . . . . . . . . . . . . . . . . . . . 13-3
Text Telephone (TTY)Users . . . . . . . . . . . . . . . . . . . . . . . 13-4
Customer Information Service PublicationsOrdering Information . . . . . . .13-11
Customer Satisfaction
Procedure . . . . . . . . . . . . . . . . . . . . 13-1
D
Damage Repair, Collision . . . . . . 13-9
Danger, Warnings, andCautions . . . . . . . . . . . . . . . . . . . . . . . . iv
Data Recorders, Event . . . . . . . 13-14
Daytime Running
Lamps (DRL) . . . . . . . . . . . . . . . . . . 6-3
Defensive Driving . . . . . . . . . . . . . . . 9-3
Delayed Locking . . . . . . . . . . . . . . . . 2-8
Devices Auxiliary . . . . . . . . . . . . . . . . . . . . . . 7-31
Diagnostics OnStar
®. . . . . . . . . . . . . . . . . . . . . . 14-5 Distracted Driving . . . . . . . . . . . . . . . 9-2
Dome Lamps . . . . . . . . . . . . . . . . . . . 6-7
Door
Ajar Messages . . . . . . . . . . . . . . . 5-35
Delayed Locking . . . . . . . . . . . . . . . 2-8
Locks . . . . . . . . . . . . . . . . . . . . . . . . . . 2-7
Power Locks . . . . . . . . . . . . . . . . . . . 2-7
Drive Belt Routing, Engine . . . . . 12-4
Driver Information Center (DIC) . . . . . . . . . . . . . . . . . 5-26
Driving
Characteristics andTowing Tips . . . . . . . . . . . . . . . . . 9-60
Defensive . . . . . . . . . . . . . . . . . . . . . . 9-3
Drunk . . . . . . . . . . . . . . . . . . . . . . . . . . 9-3
For Better Fuel Economy . . . . . 1-27
Highway Hypnosis . . . . . . . . . . . . 9-11
Hill and Mountain Roads . . . . . . 9-11
If the Vehicle is Stuck . . . . . . . . . 9-14
Loss of Control . . . . . . . . . . . . . . . . 9-5
Off-Road . . . . . . . . . . . . . . . . . . . . . . 9-5
Off-Road Recovery . . . . . . . . . . . . 9-4
Vehicle Load Limits . . . . . . . . . . . 9-15
Wet Roads . . . . . . . . . . . . . . . . . . . 9-10
Winter . . . . . . . . . . . . . . . . . . . . . . . . 9-12

Black plate (4,1)GMC Yukon/Yukon XL Owner Manual (GMNA-Localizing-U.S./Canada-
6081505) - 2014 - crc - 4/23/13
i-4 INDEX
Dual Automatic ClimateControl System . . . . . . . . . . . . . . . . 8-4
DVD Rear Seat EntertainmentSystem . . . . . . . . . . . . . . . . . . . . . . 7-36
DVD/CD Player . . . . . . . . . . . . . . . . 7-21
E
E85 or FlexFuel . . . . . . . . . . . . . . . 9-57
Electrical Equipment, Add-On . . . . . . . . . . . . . . . . . . . . . . 9-77
Electrical System Engine Compartment
Fuse Block . . . . . . . . . . . . . . . . 10-32
Fuses and Circuit Breakers . . . . . . . . . . . . . . . . . . 10-32
Instrument Panel Fuse Block . . . . . . . . . . . . . . . . . . . . . . 10-36
Overload . . . . . . . . . . . . . . . . . . . 10-31
Emergency OnStar
®. . . . . . . . . . . . . . . . . . . . . . 14-2
Engine Air Cleaner/Filter . . . . . . . . . . . 10-13
Check and Service Engine
Soon Light . . . . . . . . . . . . . . . . . . 5-19
Compartment Overview . . . . . . . 10-5 Engine (cont'd)
Coolant . . . . . . . . . . . . . . . . . . . . . 10-15
Coolant Temperature
Gauge . . . . . . . . . . . . . . . . . . . . . . 5-14
Cooling System . . . . . . . . . . . . . 10-14
Cooling System Messages . . . 5-36
Drive Belt Routing . . . . . . . . . . . . 12-4
Exhaust . . . . . . . . . . . . . . . . . . . . . . 9-27
Fan . . . . . . . . . . . . . . . . . . . . . . . . . 10-20
Heater . . . . . . . . . . . . . . . . . . . . . . . . 9-23
Oil Life System . . . . . . . . . . . . . . . 10-9
Oil Messages . . . . . . . . . . . . . . . . . 5-37
Oil Pressure Gauge . . . . . . . . . . 5-13
Overheated Protection Operating Mode . . . . . . . . . . . 10-19
Overheating . . . . . . . . . . . . . . . . 10-18
Power Messages . . . . . . . . . . . . . 5-37
Pressure Light . . . . . . . . . . . . . . . . 5-24
Running While Parked . . . . . . . . 9-28
Starting . . . . . . . . . . . . . . . . . . . . . . . 9-22
Entry Lighting . . . . . . . . . . . . . . . . . . . 6-8
Equipment, Towing . . . . . . . . . . . . 9-67
Event Data Recorders . . . . . . . . 13-14
Exit Lighting . . . . . . . . . . . . . . . . . . . . 6-8
Extender, Safety Belt . . . . . . . . . . 3-25
Exterior Lamp Controls . . . . . . . . . 6-1
Exterior Lamps Off Reminder . . . 6-2
F
Fan Engine . . . . . . . . . . . . . . . . . . . . . . 10-20
Features Memory . . . . . . . . . . . . . . . . . . . . . . . . 1-9
Filter, Engine Air Cleaner . . . . . . . . . 10-13
Flash-to-Pass . . . . . . . . . . . . . . . . . . . 6-2
Flashers, Hazard Warning . . . . . . 6-5
Flat Tire . . . . . . . . . . . . . . . . . . . . . . 10-61 Changing . . . . . . . . . . . . . . . . . . . 10-63
FlexFuel E85 . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-57
Floor Mats . . . . . . . . . . . . . . . . . . . . 10-92
Fluid Automatic Transmission . . . . 10-10
Brakes . . . . . . . . . . . . . . . . . . . . . . 10-22
Four-Wheel
Drive
Transfer Case . . . 9-33, 9-37
Power Steering . . . . . . . . . . . . . 10-20
Washer . . . . . . . . . . . . . . . . . . . . . 10-21
Fog Lamps Bulb Replacement . . . . . . . . . . . . . 6-6
Folding Mirrors . . . . . . . . . . . . . . . . 2-17