belt GMC YUKON DENALI 2023 Repair Manual

GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-16417394) - 2023 - CRC - 4/26/22
344 Vehicle Care
Belt:A rubber coated layer of cords
that is located between the plies and
the tread. Cords may be made from
steel or other reinforcing materials.
Bead
:The tire bead contains steel
wires wrapped by steel cords that hold
the tire onto the rim.
Bias Ply Tire
:A pneumatic tire in which
the plies are laid at alternate angles
less than 90 degrees to the centerline
of the tread.
Cold Tire Pressure
:The amount of air
pressure in a tire, measured in kPa
(kilopascal) or psi (pounds per square
inch) before a tire has built up heat
from driving. See Tire Pressure0346.
DOT Markings
:A code molded into the
sidewall of a tire signifying that the tire
is in compliance with the U.S.
Department of Transportation (DOT)
Motor Vehicle Safety Standards. The
DOT code includes the Tire Identification
Number (TIN), an alphanumeric
designator which can also identify the
tire manufacturer, production plant,
brand, and date of production. GVWR
:Gross Vehicle Weight Rating.
See Vehicle Load Limits 0194.
GAWR FRT
:Gross Axle Weight Rating
for the front axle. See Vehicle Load
Limits 0194.
GAWR RR
:Gross Axle Weight Rating
for the rear axle. See Vehicle Load
Limits 0194.
Intended Outboard Sidewall
:The side
of an asymmetrical tire, that must
always face outward when mounted on
a vehicle.
Kilopascal (kPa)
:The metric unit for air
pressure.
Light Truck (LT-Metric) Tire
:A tire used
on light duty trucks and some
multipurpose passenger vehicles.
Load Index
:An assigned number
ranging from 1 to 279 that corresponds
to the load carrying capacity of a tire.
Maximum Inflation Pressure
:The
maximum air pressure to which a cold
tire can be inflated. The maximum air
pressure is molded onto the sidewall. Maximum Load Rating
:The load rating
for a tire at the maximum permissible
inflation pressure for that tire.
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 Inflation Pressure
:
Vehicle manufacturer's recommended
tire inflation pressure as shown on the
tire placard. See Tire Pressure0346 and
Vehicle Load Limits 0194.

GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-16417394) - 2023 - CRC - 4/26/22
Vehicle Care 385
Do not use cleaners that increase gloss,
especially on the instrument panel. Reflected
glare can decrease visibility through the
windshield under certain conditions.
Caution
Use of air fresheners may cause
permanent damage to plastics and
painted surfaces. If an air freshener
comes in contact with any plastic or
painted surface in the vehicle, blot
immediately and clean with a soft cloth
dampened with a mild soap solution.
Damage caused by air fresheners would
not be covered by the vehicle warranty.
Cargo Cover and Convenience Net
If equipped, wash with warm water and
mild detergent. Do not use chlorine bleach.
Rinse with cold water, and then dry
completely.
Care of Seat Belts
Keep belts clean and dry.
{Warning
Do not bleach or dye seat belt webbing.
It may severely weaken the webbing. In
a crash, they might not be able to
provide adequate protection. Clean and
rinse seat belt webbing only with mild
soap and lukewarm water. Allow the
webbing to dry.
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 use:
.The original equipment floor mats are
designed for your vehicle. If the floor
mats need to be replaced, it is
recommended that GM-certified floor
mats are 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.
.Do not use a floor mat if the vehicle is
not equipped with a floor mat retainer on
the driver side floor.
.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.
Removing and Replacing the Floor Mats
Pull up on the rear of the driver side floor
mat to unlock each retainer and remove.

GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-16417394) - 2023 - CRC - 4/26/22
Service and Maintenance 391
Exterior Lights
.Visual inspection
Windshield and Wipers
.Visual inspection
Battery
.Battery visual inspection
.Battery test results
.Battery cables and connections
Systems, Fluids, and Visible Leak
Inspection
.Engine oil
.Transmission
.Drive axle
.Transfer case
.Engine cooling system
.Power steering, if equipped
.Fuel system
.Windshield washer fluid
Tire Inspection
.Tire pressure, tread depth, and wear
.Rotation, if applicable
.Alignment check, optional
.Reset tire pressure monitor
.Check tire sealant expiration date,
if equipped
.Check spare tire, if equipped
Brakes
.Check brake system
Visible and Functional Inspections
.Seat belt components
.Exhaust system
.Accelerator pedal
.Passenger compartment air filter,
if equipped
.Engine air filter
.Hoses
.Belts
.Shocks and struts
.Steering components
.Axle boots or driveshaft and u-joints
.Compartment lift struts, if equipped
.Floor mats secured, no interference with
pedals
.Horn
.Ignition lock, if equipped
.Starter switch
.Evaporative control system
Lubricate
.Chassis components
Special Application Services
.Severe Commercial Use Vehicles Only:
Lubricate chassis components every oil
change.
.Have underbody flushing service
performed. See "Underbody Maintenance"
in Exterior Care 0378.

GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-16417394) - 2023 - CRC - 4/26/22
Technical Data 395
Technical Data
Vehicle Identification
Vehicle Identification Number (VIN) . . . 395
Service Parts Identification . . . . . . . . . . . . 395
Vehicle Data
Capacities and Specifications . . . . . . . . . . 396
Engine Drive Belt Routing . . . . . . . . . . . . . 398
Vehicle Identification
Vehicle Identification
Number (VIN)
This legal identifier is in the front corner of
the instrument panel, on the driver side of
the vehicle. It can be seen through the
windshield from outside. The Vehicle
Identification Number (VIN) also appears on
the Vehicle Certification label and certificates
of title and registration.
Engine Identification
The eighth character in the VIN is the
engine code. This code identifies the
vehicle's engine, specifications, and
replacement parts. See“Engine
Specifications” underCapacities and
Specifications 0396 for the vehicle's
engine code.
Service Parts Identification
There may be a large barcode on the
certification label on the center pillar that
you can scan for the following information:
.Vehicle Identification Number (VIN)
.Model designation
.Paint information
.Production options
If there is not a large barcode on this label,
then you will find this same information on
a label inside of the glove box.

GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-16417394) - 2023 - CRC - 4/26/22
398 Technical Data
Engine Drive Belt Routing
If the vehicle has a diesel engine, see the
Duramax diesel supplement.
5.3L and 6.2L Engines

GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-16417394) - 2023 - CRC - 4/26/22
Customer Information 409
In Mexico, call 800-466-0812 or
800-466-0801.
In other Central America and Caribbean
Countries, call 52-555-901-2369.
Vehicle Data Recording and
Privacy
The vehicle has a number of computers that
record information about the vehicle’s
performance and how it is driven or used.
For example, the vehicle uses computer
modules to monitor and control engine and
transmission performance, to monitor the
conditions for airbag deployment and
deploy them in a crash, and, if equipped, to
provide antilock braking to help the driver
control the vehicle. These modules may
store data to help the dealer technician
service the vehicle or to help GM improve
safety or features. Some modules may also
store data about how the vehicle is
operated, such as rate of fuel consumption
or average speed. These modules may retain
personal preferences, such as radio presets,
seat positions, and temperature settings.
Cybersecurity
GM collects information about the use of
your vehicle including operational and safety
related information. We collect this
information to provide, evaluate, improve,
and troubleshoot our products and services
and to develop new products and services.
The protection of vehicle electronics systems
and customer data from unauthorized
outside electronic access or control is
important to GM. GM maintains appropriate
security standards, practices, guidelines and
controls aimed at defending the vehicle and
the vehicle service ecosystem against
unauthorized electronic access, detecting
possible malicious activity in related
networks, and responding to suspected
cybersecurity incidents in a timely,
coordinated and effective manner. Security
incidents could impact your safety or
compromise your private data. To minimize
security risks, please do not connect your
vehicle electronic systems to unauthorized
devices or connect your vehicle to any
unknown or untrusted networks (such as
Bluetooth, WIFI or similar technology). In
the event you suspect any security incident
impacting your data or the safe operation of
your vehicle, please stop operating your
vehicle and contact your dealer.
Event Data Recorders
This vehicle is equipped with an Event Data
Recorder (EDR). The main purpose of an EDR
is to record, in certain crash or near
crash-like situations, such as an air bag
deployment or hitting a road obstacle, data
that will assist in understanding how a
vehicle’s systems performed. The EDR is
designed to record data related to vehicle
dynamics and safety systems for a short
period of time, typically 30 seconds or less.
The EDR in this vehicle is designed to record
such data as:
.How various systems in your vehicle were
operating;
.Whether or not the driver and passenger
safety belts were buckled/fastened;
.How far (if at all) the driver was
depressing the accelerator and/or brake
pedal; and,
.How fast the vehicle was traveling.
These data can help provide a better
understanding of the circumstances in which
crashes and injuries occur.

GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./Cana-
da/Mexico-16417394) - 2023 - CRC - 5/11/22
Index 421
Child Restraints (cont'd)Lower Anchors and Tethers for
Children . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78
Older Children . . . . . . . . . . . . . . . . . . . . . . . . . . 72
Securing . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85, 87
Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
Child Safety Locks . . . . . . . . . . . . . . . . . . . . . . . . . 17
Circuit Breakers . . . . . . . . . . . . . . . . . . . . . . . . . . 332
Cleaning
Exterior Care . . . . . . . . . . . . . . . . . . . . . . . . . . . 378
Interior Care . . . . . . . . . . . . . . . . . . . . . . . . . . . 382
Climate Control Systems
Dual Automatic . . . . . . . . . . . . . . . . . . . . . . . . . 175
Rear . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 178
Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100
Cluster, Instrument . . . . . . . . . . . . . . . . . . . . . . 105
Collision Damage Repair . . . . . . . . . . . . . . . . . 405
Compartments Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90
Compass . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100
Connected Services Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . 416
Diagnostics . . . . . . . . . . . . . . . . . . . . . . . . . . . . 418
Navigation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 416
Connections Connected Services . . . . . . . . . . . . . . . . . . . . 416
Control Hill Descent . . . . . . . . . . . . . . . . . . . . . . . . . . . . 216 Control (cont'd)
Traction and Electronic Stability . . . . . . . 214
Control Light Hill Descent . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 116
Control of a Vehicle . . . . . . . . . . . . . . . . . . . . . .185
Controls Steering Wheel . . . . . . . . . . . . . . . . . . . . . . . . 143
Convenience Net . . . . . . . . . . . . . . . . . . . . . . . . . . 94
Convex Mirrors . . . . . . . . . . . . . . . . . . . . . . . . . . . .27
Coolant Engine Temperature Gauge . . . . . . . . . . . . 109
Engine Temperature Warning Light . . . . . 118
Cooling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 175, 178
Cooling System . . . . . . . . . . . . . . . . . . . . . . . . . . .318
Courtesy Transportation Program . . . . . . . . 404
Cruise Control . . . . . . . . . . . . . . . . . . . . . . . . . . . 223 Adaptive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 225
Light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 122
Super . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 235
Cupholders . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90
Customer Assistance Offices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 401
Text Telephone (TTY) Users . . . . . . . . . . . . 401
Customer Information Publications Ordering Information . . . . . 407
Customer Satisfaction Procedure . . . . . . . . . 399
Cybersecurity . . . . . . . . . . . . . . . . . . . . . . . . . . . . 409D
Damage Repair, Collision . . . . . . . . . . . . . . . . . 405
Danger, Warning, and Caution . . . . . . . . . . . . . .2
Dashboard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
Data Collection
Infotainment System . . . . . . . . . . . . . . . . . . 410
OnStar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 410
Data Recorders, Event . . . . . . . . . . . . . . . . . . . 409
Daytime Running Lamps (DRL) . . . . . . . . . . . . 135
Defensive Driving . . . . . . . . . . . . . . . . . . . . . . . . .185
Delayed Locking . . . . . . . . . . . . . . . . . . . . . . . . . . .16
Destination . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .158
Diagnostics Connected Services . . . . . . . . . . . . . . . . . . . . 418
Disabled Vehicle Transporting . . . . . . . . . . . . . . . . . . . . . . . . . . . 373
Distracted Driving . . . . . . . . . . . . . . . . . . . . . . . . 184
Dome Lamps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .138
Door Ajar Light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 123
Delayed Locking . . . . . . . . . . . . . . . . . . . . . . . . 16
Locks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Power Locks . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Drive Belt Routing, Engine . . . . . . . . . . . . . . . 398
Drive Systems
Four-Wheel Drive . . . . . . . . . . . . . . . . . . . . . . 326
Driver Assistance Systems . . . . . . . . . . . . . . . . . . . . 249

GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./Cana-
da/Mexico-16417394) - 2023 - CRC - 5/11/22
422 Index
Driver (cont'd)Information Center (DIC) . . . . . . . . . . . . . . . 123
Mode Control . . . . . . . . . . . . . . . . . . . . . . . . . . . 217
Mode Control Light . . . . . . . . . . . . . . . . . . . . . 119
Teen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 169
Driving Assistance Systems . . . . . . . . . . . . . . . . . . . . 264
Better Fuel Economy . . . . . . . . . . . . . . . . . . . 184
Characteristics and Towing Tips . . . . . . . . 277
Defensive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 185
Distracted . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 184
Hill and Mountain Roads . . . . . . . . . . . . . . . 191
If the Vehicle is Stuck . . . . . . . . . . . . . . . . . 193
Impaired . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 185
Loss of Control . . . . . . . . . . . . . . . . . . . . . . . . 187
Off-Road . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 187
Off-Road Recovery . . . . . . . . . . . . . . . . . . . . . 186
Vehicle Load Limits . . . . . . . . . . . . . . . . . . . . 194
Wet Roads . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 190
Winter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 192
Dual
Automatic Climate Control System . . . . . 175
Dynamic Fuel Management . . . . . . . . . . . . . . 203
E
Electric Brake Boost . . . . . . . . . . . . . . . . . . . . . . . . . . . . 212
Parking Brake . . . . . . . . . . . . . . . . . . . . . . . . . . 212 Electric (cont'd)
Parking Brake Light . . . . . . . . . . . . . . . . . . . . . 115
Electrical Equipment, Add-On . . . . . . . . . . . . . . . . . . . . 305
System Overload . . . . . . . . . . . . . . . . . . . . . . 330
Electrical System Engine Compartment Fuse Block . . . . . . . 332
Fuses and Circuit Breakers . . . . . . . . . . . . . 332
Instrument Panel Fuse Block . . . . . . . . . . . 336
Rear Compartment Fuse Block . . . . . . . . . 338
Emergency OnStar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 412
Engine Air Cleaner/Filter . . . . . . . . . . . . . . . . . . . . . . . 317
Air Filter Life System . . . . . . . . . . . . . . . . . . . 317
Check Light (Malfunction Indicator) . . . . . 113
Compartment Overview . . . . . . . . . . . . . . . . . 311
Coolant Temperature Gauge . . . . . . . . . . . 109
Coolant Temperature Warning Light . . . . 118
Cooling System . . . . . . . . . . . . . . . . . . . . . . . . 318
Drive Belt Routing . . . . . . . . . . . . . . . . . . . . . 398
Exhaust . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 203
Fan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 323
Oil Life System . . . . . . . . . . . . . . . . . . . . . . . . 316
Oil Pressure Gauge . . . . . . . . . . . . . . . . . . . . 109
Oil Pressure Light . . . . . . . . . . . . . . . . . . . . . . . 121
Overheating . . . . . . . . . . . . . . . . . . . . . . . . . . . 321
Power Messages . . . . . . . . . . . . . . . . . . . . . . . 129 Engine (cont'd)
Running While Parked . . . . . . . . . . . . . . . . . 204
Starting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 199
Entry Lighting . . . . . . . . . . . . . . . . . . . . . . . . . . . 139
Equipment, Towing . . . . . . . . . . . . . . . . . . . . . . 285
Event Data Recorders . . . . . . . . . . . . . . . . . . . . 409
Exit Lighting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 139
Extended Parking . . . . . . . . . . . . . . . . . . . . . . . . 203
Extender, Seat Belt . . . . . . . . . . . . . . . . . . . . . . . 60
Exterior Lamp Controls . . . . . . . . . . . . . . . . . . . . . . . . . 133
Lamps Off Reminder . . . . . . . . . . . . . . . . . . . 134
Lighting Battery Saver . . . . . . . . . . . . . . . . . 140
F
FanEngine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 323
Filter Engine Air Cleaner . . . . . . . . . . . . . . . . . . . . . . 317
Flash-to-Pass . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 135
Flashers, Hazard Warning . . . . . . . . . . . . . . . . 136
Flat Tire . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 359 Changing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 360
Floor Console Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93
Floor Mats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 385
Fluid
Automatic Transmission . . . . . . . . . . . . . . . 316

GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./Cana-
da/Mexico-16417394) - 2023 - CRC - 5/11/22
424 Index
Heated (cont'd)Ventilated Front Seats . . . . . . . . . . . . . . . . . . 44
Heating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 175, 178
High-Beam On Light . . . . . . . . . . . . . . . . . . . . . . 122
High-Speed Operation . . . . . . . . . . . . . . . . . . . 347
Hill Descent Control (HDC) . . . . . . . . . . . . . . . . . 216
Descent Control Light . . . . . . . . . . . . . . . . . . . 116
Hill and Mountain Roads . . . . . . . . . . . . . . . . . 191
Hill Start Assist (HSA) . . . . . . . . . . . . . . . . . . . . .214
Hood . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 309
Horn . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98
How to Wear Seat Belts Properly . . . . . . . . . .55
HVAC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 175, 178
I
Ignition Positions . . . . . . . . . . . . . . . . . . . . . . . . 198
Immobilizer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Indicator Pedestrian Ahead . . . . . . . . . . . . . . . . . . . . . . . 117
Vehicle Ahead . . . . . . . . . . . . . . . . . . . . . . . . . . 117
Indicators
Warning Lights and Gauges . . . . . . . . . . . . 104
Infants and Young Children, Restraints . . . . .73
Information Publication Ordering . . . . . . . . . . . . . . . . . . . 407
Infotainment Using the System . . . . . . . . . . . . . . . . . . . . . . 144 Infotainment System . . . . . . . . . . . . . . . . . . . . 410
Rear Seat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150
Inspection Multi-Point Vehicle . . . . . . . . . . . . . . . . . . . . 390
Instrument Cluster . . . . . . . . . . . . . . . . . . . . . . . 105
Instrument Panel Storage Area . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90
Instrument Panel Overview . . . . . . . . . . . . . . . . .5
Interior Rearview Mirrors . . . . . . . . . . . . . . . . . 29
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . 2, 141
J
Jump Starting - North America . . . . . . . . . . . . . . . 370
K
Keys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7Remote . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Remote Operation . . . . . . . . . . . . . . . . . . . . . . . 8
L
Labeling, Tire Sidewall . . . . . . . . . . . . . . . . . . . 342
LampsDaytime Running (DRL) . . . . . . . . . . . . . . . . 135
Dome . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 138
Exterior Controls . . . . . . . . . . . . . . . . . . . . . . . 133
Exterior Lamps Off Reminder . . . . . . . . . . 134
Exterior Lighting Battery Saver . . . . . . . . 140
Flash-to-Pass . . . . . . . . . . . . . . . . . . . . . . . . . . . 135 Lamps (cont'd)
Fog . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 137
High/Low Beam Changer . . . . . . . . . . . . . . 135
Malfunction Indicator (Check
Engine) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113
On Reminder . . . . . . . . . . . . . . . . . . . . . . . . . . 122
Reading . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 138
Lane Change Alert (LCA) . . . . . . . . . . . . . . . . . . . . . 269
Keep Assist (LKA) . . . . . . . . . . . . . . . . . . . . . . 272
Keep Assist Light . . . . . . . . . . . . . . . . . . . . . . . 116
Lap-Shoulder Belt . . . . . . . . . . . . . . . . . . . . . . . . . .57
LATCH System
Replacing Parts after a Crash . . . . . . . . . . . 85
LATCH, Lower Anchors and Tethers for Children . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78
LED Lighting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 330
Liftgate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18
Lighting Entry . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 139
Exit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 139
Illumination Control . . . . . . . . . . . . . . . . . . . . 137
LED . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 330
Lights Airbag Readiness . . . . . . . . . . . . . . . . . . . . . . . 112
Antilock Brake System (ABS)Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 116

GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./Cana-
da/Mexico-16417394) - 2023 - CRC - 5/11/22
Index 425
Lights (cont'd)Automatic Emergency Braking (AEB)
Disabled . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 117
Brake System Warning . . . . . . . . . . . . . . . . . 115
Charging System . . . . . . . . . . . . . . . . . . . . . . . 113
Check Engine (Malfunction Indicator) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113
Cruise Control Light . . . . . . . . . . . . . . . . . . . . 122
Door Ajar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 123
Driver Mode Control . . . . . . . . . . . . . . . . . . . . 119
Electric Parking Brake . . . . . . . . . . . . . . . . . . . 115
Engine Coolant Temperature Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118
Engine Oil Pressure . . . . . . . . . . . . . . . . . . . . . 121
Four Corner Air Suspension . . . . . . . . . . . . . 119
Four-Wheel-Drive . . . . . . . . . . . . . . . . . . . . . . . 116
Front Fog Lamp . . . . . . . . . . . . . . . . . . . . . . . . 122
Gauges and Indicators . . . . . . . . . . . . . . . . . 104
High-Beam On . . . . . . . . . . . . . . . . . . . . . . . . . 122
Hill Descent Control . . . . . . . . . . . . . . . . . . . . 116
Lane Keep Assist . . . . . . . . . . . . . . . . . . . . . . . . 116
Low Fuel Warning . . . . . . . . . . . . . . . . . . . . . . 121
Seat Belt Reminders . . . . . . . . . . . . . . . . . . . . 111
Security . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 121
Service Electric Parking Brake . . . . . . . . . . . 115
StabiliTrak OFF . . . . . . . . . . . . . . . . . . . . . . . . . . 118
Tire Pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . 120 Lights (cont'd)
Traction Control System
(TCS)/StabiliTrak . . . . . . . . . . . . . . . . . . . . . . 118
Traction Off . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 117
Lock Steering Column . . . . . . . . . . . . . . . . . . . . . . . . 26
Locking Rear Axle . . . . . . . . . . . . . . . . . . . . . . . . 220
Locks
Automatic Door . . . . . . . . . . . . . . . . . . . . . . . . . 16
Delayed Locking . . . . . . . . . . . . . . . . . . . . . . . . 16
Door . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Lockout Protection . . . . . . . . . . . . . . . . . . . . . . . 17
Power Door . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Loss of Control . . . . . . . . . . . . . . . . . . . . . . . . . . .187
Low Fuel Warning Light . . . . . . . . . . . . . . . . . . 121
Low-Profile Tires . . . . . . . . . . . . . . . . . . . . . . . . . .341
Lower Anchors and Tethers for Children (LATCH System) . . . . . . . . . . . . . . . . 78
Lumbar Adjustment . . . . . . . . . . . . . . . . . . . . . . . 40 Front Seats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
M
Magnetic Ride Control . . . . . . . . . . . . . . . . . . . 220
MaintenanceRecords . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 394
Maintenance Schedule . . . . . . . . . . . . . . . . . . . 388 Maintenance Schedule (cont'd)
Recommended Fluids and
Lubricants . . . . . . . . . . . . . . . . . . . . . . . . . . . . 392
Malfunction Indicator Lamp . . . . . . . . . . . . . . . 113
Manual Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 207
Maps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 157
Massage
Seats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Media Avoiding Untrusted Devices . . . . . . . . . . . . 149
Memory Seats . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Messages
Engine Power . . . . . . . . . . . . . . . . . . . . . . . . . . 129
Vehicle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 129
Vehicle Speed . . . . . . . . . . . . . . . . . . . . . . . . . . 130
Mirrors Automatic Dimming . . . . . . . . . . . . . . . . . . . . 29
Automatic Dimming Rearview . . . . . . . . . . 29
Convex . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Folding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Heated . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Interior Rearview . . . . . . . . . . . . . . . . . . . . . . . 29
Manual Rearview . . . . . . . . . . . . . . . . . . . . . . . 29
Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Rear Camera . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Tilt in Reverse . . . . . . . . . . . . . . . . . . . . . . . . . . 29