check oil GMC YUKON DENALI 2015 Owner's Manual

Black plate (1,1)GMC 2015i Yukon Denali/Yukon XL Denali Owner Manual (GMNA-
Localizing-U.S./Canada/Mexico-8431504) - 2015 - CRC - 7/30/14
Service and Maintenance 11-1
Service and
Maintenance
General Information
General Information . . . . . . . . . . 11-1
Maintenance Schedule
Maintenance Schedule . . . . . . . 11-3
Special Application Services
Special ApplicationServices . . . . . . . . . . . . . . . . . . . . 11-7
Additional Maintenance
and Care
Additional Maintenanceand Care . . . . . . . . . . . . . . . . . . . 11-7
Recommended Fluids,
Lubricants, and Parts
Recommended Fluids andLubricants . . . . . . . . . . . . . . . . . 11-11
Maintenance Replacement Parts . . . . . . . . . . . . . . . . . . . . . . 11-13
Maintenance Records
Maintenance Records . . . . . . 11-14
General Information
Your vehicle is an important
investment. This section describes
the required maintenance for the
vehicle. Follow this schedule to help
protect against major repair
expenses resulting from neglect or
inadequate maintenance. It may
also help to maintain the value of
the vehicle if it is sold. It is the
responsibility of the owner to have
all required maintenance performed.
Your dealer has trained technicians
who can perform required
maintenance using genuine
replacement parts. They have
up-to-date tools and equipment for
fast and accurate diagnostics. Many
dealers have extended evening and
Saturday hours, courtesy
transportation, and online
scheduling to assist with service
needs. Your dealer recognizes the
importance of providing
competitively priced maintenance
and repair services. With trained
technicians, the dealer is the place
for routine maintenance such as oil
changes and tire rotations and
additional maintenance items like
tires, brakes, batteries, and wiper
blades.
{Caution
Damage caused by improper
maintenance can lead to costly
repairs and may not be covered
by the vehicle warranty.
Maintenance intervals, checks,
inspections, recommended fluids,
and lubricants are important to
keep the vehicle in good working
condition.

Black plate (3,1)GMC 2015i Yukon Denali/Yukon XL Denali Owner Manual (GMNA-
Localizing-U.S./Canada/Mexico-8431504) - 2015 - CRC - 7/30/14
Service and Maintenance 11-3
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 10-54.
.Check the windshield washer
fluid level. See Washer Fluid on
page 10-18.
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 may not
indicate the need for vehicle service
for up to a year. The engine oil and
filter must be changed at least once
a year and the oil life system must
be reset. Your trained dealer
technician can perform this work.
If the engine oil life system is reset
accidentally, service the vehicle
within 5 000 km/3,000 mi since the
last service. Reset the oil life
system when the oil is changed.
See Engine Oil Life System on
page 10-9.
Tire Rotation and Required
Services Every 12 000 km/
7,500 mi
Rotate the tires, if recommended for
the vehicle, and perform the
following services. See Tire
Rotation on page 10-55.
.Check engine oil level and oil
life percentage. If needed,
change engine oil and filter, and
reset oil life system. See Engine
Oil on page 10-6 andEngine Oil
Life System on page 10-9.
.Check engine coolant level. See
Engine Coolant on page 10-13.
.Check windshield washer fluid
level. See Washer Fluid on
page 10-18.

Black plate (4,1)GMC 2015i Yukon Denali/Yukon XL Denali Owner Manual (GMNA-
Localizing-U.S./Canada/Mexico-8431504) - 2015 - CRC - 7/30/14
11-4 Service and Maintenance
.Visually inspect windshield wiper
blades for wear, cracking,
or contamination. SeeExterior
Care on page 10-81. Replace
worn or damaged wiper blades.
See Wiper Blade Replacement
on page 10-25.
.Check tire inflation pressures.
See Tire Pressure on
page 10-48.
.Inspect tire wear. See Tire
Inspection on page 10-54.
.Visually check for fluid leaks.
.Inspect engine air cleaner filter.
See Engine Air Cleaner/Filter on
page 10-10.
.Inspect brake system.
.Visually inspect steering,
suspension, and chassis
components for damaged,
loose, or missing parts or signs
of wear at least once a year.
See Exterior Care on
page 10-81. Lubricate the
suspension and steering
components at least every other
oil change. (If equipped with
grease fittings)
.Check restraint system
components. See Safety System
Check on page 3-24.
.Visually inspect fuel system for
damage or leaks.
.Visually inspect exhaust system
and nearby heat shields for
loose or damaged parts.
.Lubricate body components. See
Exterior Care on page 10-81.
.Check starter switch. See Starter
Switch Check on page 10-24.
.Check automatic transmission
shift lock control function. See
Automatic Transmission Shift
Lock Control Function Check on
page 10-25.
.Check parking brake and
automatic transmission park
mechanism. See Park Brake and
P (Park) Mechanism Check on
page 10-25.
.Check accelerator pedal for
damage, high effort, or binding.
Replace if needed.
.Visually inspect gas strut for
signs of wear, cracks, or other
damage. Check the hold open
ability of the strut. See your
dealer if service is required.
.Inspect sunroof track and seal,
if equipped. See Sunroof on
page 2-28.
.Verify spare tire key lock
operation and lubricate as
needed. See Tire Changing on
page 10-64.

Black plate (5,1)GMC 2015i Yukon Denali/Yukon XL Denali Owner Manual (GMNA-
Localizing-U.S./Canada/Mexico-8431504) - 2015 - CRC - 7/30/14
Service and Maintenance 11-5
Maintenance Schedule
Additional Required
Services - Normal12 000 km/7,500 mi
24 000 km/15,000 mi
36 000 km/22,500 mi
48 000 km/30,000 mi
60 000 km/37,500 mi
72 000 km/45,000 mi
84 000 km/52,500 mi
96 000 km/60,000 mi
108 000 km/67,500 mi
120 000 km/75,000 mi
132 000 km/82,500 mi
144 000 km/90,000 mi
156 000 km/97,500 mi
168 000 km/105,000 mi 180 000 km/112,500 mi
192 000 km/120,000 mi
204 000 km/127,500 mi
216 000 km/135,000 mi
228 000 km/142,500 mi
240 000 km/150,000 mi
Rotate tires and perform Required Services.
Check engine oil level and oil life percentage.
Change engine oil and filter, if needed.@ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @
Replace passenger compartment air filter. (1)@ @@@@@
Inspect evaporative control system. (2)@ @@
Replace engine air cleaner filter. (3)@@@
Replace spark plugs. Inspect spark plug wires.@
Drain and fill engine cooling system. (4)@
Visually inspect accessory drive belts. (5)@
Replace brake fluid. (6)@@@
Footnotes—Maintenance
Schedule Additional Required
Services - Normal
(1) Or every two years, whichever
comes first. More frequent
replacement may be needed if the
vehicle is driven in areas with heavy
traffic, areas with poor air quality,
or areas with high dust levels. Replacement may also be needed if
there is a reduction in air flow,
excessive window fogging, or odors.
(2)
Check all fuel and vapor lines
and hoses for proper hook-up,
routing, and condition.
(3) Or every four years, whichever
comes first. (4)
Or every five years, whichever
comes first. See Cooling System on
page 10-12.
(5) Or every 10 years, whichever
comes first. Inspect for fraying,
excessive cracking, or damage;
replace, if needed.
(6) Or every three years, whichever
comes first.

Black plate (6,1)GMC 2015i Yukon Denali/Yukon XL Denali Owner Manual (GMNA-
Localizing-U.S./Canada/Mexico-8431504) - 2015 - CRC - 7/30/14
11-6 Service and Maintenance
Maintenance Schedule
Additional Required
Services - Severe12 000 km/7,500 mi
24 000 km/15,000 mi
36 000 km/22,500 mi
48 000 km/30,000 mi
60 000 km/37,500 mi
72 000 km/45,000 mi
84 000 km/52,500 mi
96 000 km/60,000 mi
108 000 km/67,500 mi
120 000 km/75,000 mi
132 000 km/82,500 mi
144 000 km/90,000 mi
156 000 km/97,500 mi
168 000 km/105,000 mi 180 000 km/112,500 mi
192 000 km/120,000 mi
204 000 km/127,500 mi
216 000 km/135,000 mi
228 000 km/142,500 mi
240 000 km/150,000 mi
Rotate tires and perform Required Services.
Check engine oil level and oil life percentage.
Change engine oil and filter, if needed.@ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @
Replace passenger compartment air filter. (1)@ @@@@@
Inspect evaporative control system. (2)@ @@
Replace engine air cleaner filter. (3)@@@
Change automatic transmission fluid and filter.@@@
Change transfer case fluid, if equipped with AWD
or 4WD. (4)@@@
Replace spark plugs. Inspect spark plug wires.@
Drain and fill engine cooling system. (5)@
Visually inspect accessory drive belts. (6)@
Replace brake fluid. (7)@@@
Footnotes—Maintenance
Schedule Additional Required
Services - Severe
(1) Or every two years, whichever
comes first. More frequent
replacement may be needed if the vehicle is driven in areas with heavy
traffic, areas with poor air quality,
or areas with high dust levels.
Replacement may also be needed if
there is a reduction in air flow,
excessive window fogging, or odors.
(2)
Check all fuel and vapor lines
and hoses for proper hook-up,
routing, and condition.
(3) Or every four years, whichever
comes first.

Black plate (8,1)GMC 2015i Yukon Denali/Yukon XL Denali Owner Manual (GMNA-
Localizing-U.S./Canada/Mexico-8431504) - 2015 - CRC - 7/30/14
11-8 Service and Maintenance
Battery
The battery supplies power to start
the engine and operate any
additional electrical accessories.
.To avoid break-down or failure to
start the vehicle, maintain a
battery with full cranking power.
.Trained dealer technicians have
the diagnostic equipment to test
the battery and ensure that the
connections and cables are
corrosion-free.
Belts
.Belts may need replacing if they
squeak or show signs of
cracking or splitting.
.Trained dealer technicians have
access to tools and equipment
to inspect the belts and
recommend adjustment or
replacement when necessary. Brakes
Brakes stop the vehicle and are
crucial to safe driving.
.Signs of brake wear may include
chirping, grinding, or squealing
noises, or difficulty stopping.
.Trained dealer technicians have
access to tools and equipment
to inspect the brakes and
recommend quality parts
engineered for the vehicle.
Fluids
Proper fluid levels and approved
fluids protect the vehicle’s systems
and components. See
Recommended Fluids and
Lubricants on page 11-11 for GM
approved fluids.
.Engine oil and windshield
washer fluid levels should be
checked at every fuel fill.
.Instrument cluster lights may
come on to indicate that fluids
may be low and need to be
filled. Hoses
Hoses transport fluids and should
be regularly inspected to ensure
that there are no cracks or leaks.
With a multi-point inspection, your
dealer can inspect the hoses and
advise if replacement is needed.
Lamps
Properly working headlamps,
taillamps, and brake lamps are
important to see and be seen on
the road.
.Signs that the headlamps need
attention include dimming, failure
to light, cracking, or damage.
The brake lamps need to be
checked periodically to ensure
that they light when braking.
.With a multi-point inspection,
your dealer can check the lamps
and note any concerns.

Black plate (2,1)GMC 2015i Yukon Denali/Yukon XL Denali Owner Manual (GMNA-
Localizing-U.S./Canada/Mexico-8431504) - 2015 - CRC - 7/30/14
12-2 Technical Data
Vehicle Data
Capacities and Specifications
The following approximate capacities are given in metric and English conversions. SeeRecommended Fluids and
Lubricants on page 11-11 for more information.
Application Capacities
Metric English
Air Conditioning Refrigerant For the air conditioning system refrigerant type and charge amount, see the refrigerant label under thehood. See your dealer for more information.
Cooling System 16.5 L 17.4 qt
Engine Oil with Filter 8.0 L 8.5 qt
Fuel Tank Short Wheelbase 98.4 L 26.0 gal
Long Wheelbase 119.2 L31.5 gal
Transfer Case Fluid 1.5 L1.6 qt
Wheel Nut Torque 190Y 140 lb ft
All capacities are approximate. When adding, be sure to fill to the approximate level, as recommended in this
manual. Recheck fluid level after filling.

Black plate (4,1)GMC 2015i Yukon Denali/Yukon XL Denali Owner Manual (GMNA-
Localizing-U.S./Canada/Mexico-8431504) - 2015 - CRC - 7/30/14
14-4 OnStar
Destination Download:PressQ,
then request the Advisor to
download directions to the
navigation system in the vehicle (if
equipped). After the call ends, press
the “Go” button on the navigation
screen to begin driving directions.
If directions are downloaded to the
navigation system, the route can
only be canceled through the
navigation system.
Destinations can also be
downloaded on the go. For
information about eNav or
Destination Download, see
www.onstar.com (U.S.) or
www.onstar.ca (Canada).
Connections
The required specific Onstar
subscription plan includes the
services that follow to help
customers stay connected.
For coverage maps, see
www.onstar.com (U.S.) or
www.onstar.ca (Canada). WiFi Connectivity (If Equipped)
The vehicle has a WiFi hotspot that
provides a high-speed, wireless
Internet connection to connect
multiple mobile devices (data plan
required).
1. To retrieve WiFi hotspot
information, press
=and select
or say “WiFi settings.”
2. The WiFi settings will display the WiFi network name/SSID,
passphrase, and level of
encryption.
3. To change the SSID or passphrase, press
Qor call
1-888-4-ONSTAR to connect
with an Advisor.
OnStar RemoteLink
®Mobile App
(If Equipped)
Download the OnStar RemoteLink
mobile app to select Apple
®,
Android™, and BlackBerry®or
Windows 7 or 8 mobile devices.
From the mobile device, check the
vehicle’s fuel level, oil life, or tire pressure (if the vehicle is equipped
with the tire pressure monitoring
system); or activate remote horn
and lights. Also remote start the
vehicle (if factory equipped) or
unlock the doors from anywhere
with a wireless connection (if
equipped with automatic locks).
With a required specific OnStar
subscription plan, a destination can
be sent to the vehicle. For OnStar
RemoteLink information and
compatibility, see www.onstar.com
(U.S.) or www.onstar.ca (Canada).
OnStar RemoteLink
®Key Fob
Services
This feature is included for five
years and allows for remote door
lock/unlock (if equipped with
automatic locks), remote start (if
factory equipped), or activation of
horn and lights from anywhere with
a wireless signal. Download the app
and start using it any time during the
trial period to get started.

Black plate (4,1)GMC 2015i Yukon Denali/Yukon XL Denali Owner Manual (GMNA-
Localizing-U.S./Canada/Mexico-8431504) - 2015 - CRC - 7/30/14
i-4 INDEX
Driving (cont'd)Vehicle Load Limits . . . . . . . . . . . 9-15
Wet Roads . . . . . . . . . . . . . . . . . . . 9-10
Winter . . . . . . . . . . . . . . . . . . . . . . . . 9-12
Dual Automatic Climate Control System . . . . . . . . . . . . . . . . 8-1
E
Electrical Equipment,Add-On . . . . . . . . . . . . . . . . . . . . . . 9-84
Electrical System
Engine CompartmentFuse Block . . . . . . . . . . . . . . . . 10-31
Fuses . . . . . . . . . . . . . . . . . . . . . . 10-31
Instrument Panel Fuse Block . . . . . . . . . 10-34, 10-37
Overload . . . . . . . . . . . . . . . . . . . 10-30
Rear Compartment Fuse Block . . . . . . . . . . . . . . . . . . . . . . 10-40
Emergency
OnStar
®. . . . . . . . . . . . . . . . . . . . . . 14-2
Engine Air Cleaner/Filter . . . . . . . . . . . 10-10
Check and Service EngineSoon Light . . . . . . . . . . . . . . . . . . 5-20
Compartment Overview . . . . . . . 10-5 Engine (cont'd)
Coolant . . . . . . . . . . . . . . . . . . . . . 10-13
Coolant Temperature
Gauge . . . . . . . . . . . . . . . . . . . . . . 5-15
Coolant Temperature Warning Light . . . . . . . . . . . . . . . 5-26
Cooling System . . . . . . . . . . . . . 10-12
Cooling System Messages . . . 5-40
Drive Belt Routing . . . . . . . . . . . . 12-4
Exhaust . . . . . . . . . . . . . . . . . . . . . . 9-28
Fan . . . . . . . . . . . . . . . . . . . . . . . . . 10-17
Heater . . . . . . . . . . . . . . . . . . . . . . . . 9-24
Oil Life System . . . . . . . . . . . . . . . 10-9
Oil Messages . . . . . . . . . . . . . . . . . 5-40
Oil Pressure Gauge . . . . . . . . . . 5-14
Overheating . . . . . . . . . . . . . . . . 10-16
Power Messages . . . . . . . . . . . . . 5-41
Pressure Light . . . . . . . . . . . . . . . . 5-27
Running While Parked . . . . . . . . 9-29
Starting . . . . . . . . . . . . . . . . . . . . . . . 9-22
Entry Lighting . . . . . . . . . . . . . . . . . . . 6-7
Equipment, Towing . . . . . . . . . . . . 9-77
Event Data Recorders . . . . . . . . 13-14
Exit Lighting . . . . . . . . . . . . . . . . . . . . 6-8
Extender, Safety Belt . . . . . . . . . . 3-24
Exterior Lamp Controls . . . . . . . . . 6-1
Exterior Lamps Off Reminder . . . 6-2
F
Fan Engine . . . . . . . . . . . . . . . . . . . . . . 10-17
Features Memory . . . . . . . . . . . . . . . . . . . . . . . . 1-8
Filter, Engine Air Cleaner . . . . . . . . . 10-10
Flash-to-Pass . . . . . . . . . . . . . . . . . . . 6-3
Flashers, Hazard Warning . . . . . . 6-4
Flat Tire . . . . . . . . . . . . . . . . . . . . . . 10-62 Changing . . . . . . . . . . . . . . . . . . . 10-64
Floor Mats . . . . . . . . . . . . . . . . . . . . 10-89
Fluid Automatic Transmission . . . . 10-10
Brakes . . . . . . . . . . . . . . . . . . . . . . 10-19
Four-Wheel DriveTransfer Case . . . . . . . . . . . . . . . 9-35
Washer . . . . . . . . . . . . . . . . . . . . . 10-18
Fog Lamps . . . . . . . . . . . . . . . . . . . . . 6-5 Bulb Replacement . . . . . . . . . . 10-27
Forward Collision Alert (FCA) System . . . . . . . . . . . . . . . . 9-58
Four-Wheel Drive . . . . . . . 9-35, 10-21
Four-Wheel-Drive Light . . . . . . . . 5-24
Frequency Statement Radio . . . . . . . . . . . . . . . . . . . . . . . 13-12

Black plate (8,1)GMC 2015i Yukon Denali/Yukon XL Denali Owner Manual (GMNA-
Localizing-U.S./Canada/Mexico-8431504) - 2015 - CRC - 7/30/14
i-8 INDEX
Messages (cont'd)Transmission . . . . . . . . . . . . . . . . . 5-47
Vehicle . . . . . . . . . . . . . . . . . . . . . . . 5-37
Vehicle Reminder . . . . . . . . . . . . . 5-49
Washer Fluid . . . . . . . . . . . . . . . . . 5-50
Mirror Child-View . . . . . . . . . . . . . . . . . . . . 2-25
Mirrors Automatic Dimming . . . . . . . . . . . 2-23
Automatic Dimming
Rearview . . . . . . . . . . . . . . . . . . . . 2-24
Blind Spot . . . . . . . . . . . . . . . . . . . . 2-23
Convex . . . . . . . . . . . . . . . . . . . . . . . 2-22
Heated . . . . . . . . . . . . . . . . . . . . . . . 2-22
Power . . . . . . . . . . . . . . . . . . . . . . . . 2-22
Tilt in Reverse . . . . . . . . . . . . . . . . 2-24
Mirrors, Interior Rearview . . . . . . 2-24
Monitor System, Tire Pressure . . . . . . . . . . . . . . . . . . . . 10-50
N
NavigationOnStar®. . . . . . . . . . . . . . . . . . . . . . 14-3
Net, Convenience . . . . . . . . . . . . . . 4-3
New Vehicle Break-In . . . . . . . . . . 9-19
Noise Control System . . . . . . . . 10-23
O
Object Detection System Messages . . . . . . . . . . . . . . . . . . . . 5-42
Odometer . . . . . . . . . . . . . . . . . . . . . . 5-13 Trip . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-13
Off-Road . . . . . . . . . . . . . . . . . . . . . . . 9-6 Driving . . . . . . . . . . . . . . . . . . . . . . . . . 9-6
Recovery . . . . . . . . . . . . . . . . . . . . . . 9-5
Oil Engine . . . . . . . . . . . . . . . . . . . . . . . . 10-6
Engine Oil Life System . . . . . . . 10-9
Engine Oil PressureGauge . . . . . . . . . . . . . . . . . . . . . . 5-14
Messages . . . . . . . . . . . . . . . . . . . . 5-40
Pressure Light . . . . . . . . . . . . . . . . 5-27
Older Children, Restraints . . . . . 3-39
Online Owner Center . . . . . . . . . . 13-4
OnStar . . . . . . . . . . . . . . . . . . . . . . . 13-15
OnStar
®
System, In Brief . . . . . . . . . . . . . . 1-23
OnStar®Additional
Information . . . . . . . . . . . . . . . . . . . 14-6
OnStar
®Connections . . . . . . . . . . 14-4
OnStar®Emergency . . . . . . . . . . . 14-2
OnStar®Navigation . . . . . . . . . . . . 14-3
OnStar®Overview . . . . . . . . . . . . . 14-1 OnStar
®Security . . . . . . . . . . . . . . 14-3
OnStar®Vehicle
Diagnostics . . . . . . . . . . . . . . . . . . 14-6
Ordering Service Publications . . . . . . . . .13-11
Outlets Power . . . . . . . . . . . . . . . . . . . . . . . . . 5-7
Overheating, Engine . . . . . . . . . . 10-16
P
Park Shifting Into . . . . . . . . . . . . . . . . . . . 9-25
Shifting Out of . . . . . . . . . . . . . . . . 9-27
Parking Brake . . . . . . . . . . . . . . . . . . . . . . . . . 9-39
Brake and P (Park)Mechanism Check . . . . . . . . 10-25
Over Things That Burn . . . . . . . 9-27
Parking or Backing Assistance Systems . . . . . . . . . . 9-55
Passenger Airbag Status Indicator . . . . . . . . . . . . . . . . . . . . . 5-19
Passenger Compartment Air
Filter . . . . . . . . . . . . . . . . . . . . . . . . . . 8-7
Passenger Sensing System . . . 3-33