ignition GMC YUKON XL 2018 Owners Manual

GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-11349262) - 2018 - crc - 6/21/17
OnStar 407information about the vehicle cannot
work unless GPS signals are
available, unobstructed, and
compatible with the OnStar
hardware. OnStar services may not
work if the OnStar equipment is not
properly installed or it has not been
properly maintained. If equipment or
software is added, connected,
or modified, OnStar services may
not work. Other problems beyond
the control of OnStar — such as
hills, tall buildings, tunnels, weather,
electrical system design and
architecture of the vehicle, damage
to the vehicle in a crash, or wireless
phone network congestion or
jamming — may prevent service.
See Radio Frequency Statement
0 396 .
Services for People with
Disabilities
Advisors provide services to help
with physical disabilities and
medical conditions.
Press
Q to help:
.
Locate a gas station with an
attendant to pump gas. .
Find a hotel, restaurant, etc.,
that meets accessibility needs.
.
Provide directions to the closest
hospital or pharmacy in urgent
situations.
TTY Users OnStar has the ability to
communicate to deaf,
hard-of-hearing, or speech-impaired
customers while in the vehicle. The
available dealer-installed TTY
system can provide in-vehicle
access to all OnStar services,
except Virtual Advisor and OnStar
Turn-by-Turn Navigation.
OnStar Personal Identification
Number (PIN) A PIN is needed to access some
OnStar services. The PIN will need
to be changed the first time when
speaking with an Advisor. To
change the OnStar PIN, contact an
OnStar Advisor by pressing
Q or
calling 1-888-4ONSTAR. Warranty OnStar equipment may be
warranted as part of the vehicle
warranty.
Languages The vehicle can be programmed to
respond in multiple languages.
Press
Q and ask for an Advisor.
Advisors are available in English,
Spanish, and French. Available
languages may vary by country.
Potential Issues OnStar cannot perform Remote
Door Unlock or Stolen Vehicle
Assistance after the vehicle has
been off continuously for 10 days
without an ignition cycle. If the
vehicle has not been started for
10 days, OnStar can contact
Roadside Assistance or a locksmith
to help gain access to the vehicle.
Global Positioning
System (GPS)
.
Obstruction of the GPS can
occur in a large city with tall
buildings; in parking garages;

GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-11349262) - 2018 - crc - 6/21/17
414 Index Check (cont'd)
Ignition Transmission Lock . . . 303
Child Restraints
Infants and Young Children . . . . . 98
Lower Anchors and Tethers
for Children . . . . . . . . . . . . . . . . . 104
Older Children . . . . . . . . . . . . . . . . . . 97
Securing . . . . . . . . . . . . . . . . . .112, 114
Systems . . . . . . . . . . . . . . . . . . . . . . 101
Child-View Mirror . . . . . . . . . . . . . . . . 56
Circuit Breakers . . . . . . . . . . . . . . . . 309
Cleaning
Exterior Care . . . . . . . . . . . . . . . . . 360
Interior Care . . . . . . . . . . . . . . . . . . 364
Climate Control Systems
Dual Automatic . . . . . . . . . . . . . . . 180
Rear . . . . . . . . . . . . . . . . . . . . . . . . . . 184
Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . 126
Cluster, Instrument . . . . . . . . . . . . . 133
Collision Damage Repair . . . . . . . 393
Compartments
Storage . . . . . . . . . . . . . . . . . . . . . . . .118
Compass . . . . . . . . . . . . . . . . . . . . . . . 126
Connections
OnStar . . . . . . . . . . . . . . . . . . . . . . . 403
Control
Hill Descent . . . . . . . . . . . . . . . . . . 231 Control (cont'd)
Traction and Electronic
Stability . . . . . . . . . . . . . . . . . . . . . 229
Control of a Vehicle . . . . . . . . . . . . . 190
Convenience Net . . . . . . . . . . . . . . . 120
Convex Mirrors . . . . . . . . . . . . . . . . . . 52
Coolant
Engine Temperature Gauge . . 138
Engine Temperature
Warning Light . . . . . . . . . . . . . . . 148
Cooling . . . . . . . . . . . . . . . . . . . . 180, 184
Cooling System . . . . . . . . . . . . . . . . . 291
Courtesy Transportation
Program . . . . . . . . . . . . . . . . . . . . . . . 392
Cruise Control . . . . . . . . . . . . . . . . . . 233
Light . . . . . . . . . . . . . . . . . . . . . . . . . . 150
Cruise Control, Adaptive . . . . . . . . 235
Cupholders . . . . . . . . . . . . . . . . . . . . . 118
Customer Assistance . . . . . . . . . . . 389
Offices . . . . . . . . . . . . . . . . . . . . . . . . 388
Text Telephone (TTY)
Users . . . . . . . . . . . . . . . . . . . . . . . 389
Customer Information
Service Publications
Ordering Information . . . . . . . . 395
Customer Satisfaction
Procedure . . . . . . . . . . . . . . . . . . . . . 386 D Damage Repair, Collision . . . . . . . 393
Danger, Warning, and Caution . . . . 2
Data Collection
Infotainment System . . . . . . . . . . 399
OnStar . . . . . . . . . . . . . . . . . . . . . . . 399
Data Recorders, Event . . . . . . . . . 398
Daytime Running
Lamps (DRL) . . . . . . . . . . . . . . . . . . 173
Defensive Driving . . . . . . . . . . . . . . . 190
Delayed Locking . . . . . . . . . . . . . . . . . 42
Diagnostics
OnStar . . . . . . . . . . . . . . . . . . . . . . . 405
Distracted Driving . . . . . . . . . . . . . . . 189
Dome Lamps . . . . . . . . . . . . . . . . . . . 176
Door
Ajar Light . . . . . . . . . . . . . . . . . . . . . 150
Delayed Locking . . . . . . . . . . . . . . . . 42
Locks . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Power Locks . . . . . . . . . . . . . . . . . . . . 42
Drive Belt Routing, Engine . . . . . . 385
Driver Assistance Systems . . . . . 242
Driver Information
Center (DIC) . . . . . . . . . . . . . . . . . . 151
Driving
Assistance Systems . . . . . . . . . . 246
Characteristics and
Towing Tips . . . . . . . . . . . . . . . . . 259

GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-11349262) - 2018 - crc - 6/21/17
Index 417High-Beam On Light . . . . . . . . . . . . 149
High-Speed Operation . . . . . . . . . . 328
Hill and Mountain Roads . . . . . . . . 198
Hill Descent Control (HDC) . . . . . 231
Hill Start Assist (HSA) . . . . . . . . . . 229
Hood . . . . . . . . . . . . . . . . . . . . . . . . . . . 279
Horn . . . . . . . . . . . . . . . . . . . . . . . . . . . . 123
How to Wear Seat Belts
Properly . . . . . . . . . . . . . . . . . . . . . . . . 77
HVAC . . . . . . . . . . . . . . . . . . . . . . 180, 184
I Ignition Positions . . . . . . . . . . 205, 207
Ignition Transmission Lock
Check . . . . . . . . . . . . . . . . . . . . . . . . . 303
Immobilizer . . . . . . . . . . . . . . . . . . . . . . 51
Indicator
Vehicle Ahead . . . . . . . . . . . . . . . . 146
Infants and Young Children,
Restraints . . . . . . . . . . . . . . . . . . . . . . 98
Infotainment . . . . . . . . . . . . . . . . . . . . 179
Infotainment System . . . . . . . . . . . . 399
Instrument Cluster . . . . . . . . . . . . . . 133
Instrument Panel
Storage Area . . . . . . . . . . . . . . . . . .118
Interior Rearview Mirrors . . . . . . . . . 55
Introduction . . . . . . . . . . . . . . . . . . . . . . . 2 J Jump Starting - North
America . . . . . . . . . . . . . . . . . . . . . . . 351
K Keyless Entry
Remote (RKE) System . . . . . 31, 33
Keys . . . . . . . . . . . . . . . . . . . . . . . . . 27, 28
L Labeling, Tire Sidewall . . . . . . . . . . 322
Lamps
Daytime Running (DRL) . . . . . . 173
Dome . . . . . . . . . . . . . . . . . . . . . . . . . 176
Exterior Controls . . . . . . . . . . . . . . 170
Exterior Lamps Off
Reminder . . . . . . . . . . . . . . . . . . . 172
Exterior Lighting Battery
Saver . . . . . . . . . . . . . . . . . . . . . . . 178
License Plate . . . . . . . . . . . . . . . . . 308
Malfunction Indicator
(Check Engine) . . . . . . . . . . . . . 143
On Reminder . . . . . . . . . . . . . . . . . 150
Reading . . . . . . . . . . . . . . . . . . . . . . 176
Lane Change Alert (LCA) . . . . . . . 250
Lane Departure
Warning (LDW) . . . . . . . . . . . . . . . . 252
Lane Keep Assist (LKA) . . . . . . . . 252
Lane Keep Assist Light . . . . . . . . . 146 Lap Belt . . . . . . . . . . . . . . . . . . . . . . . . . 83
Lap-Shoulder Belt . . . . . . . . . . . . . . . 78
LATCH System
Replacing Parts after a
Crash . . . . . . . . . . . . . . . . . . . . . . . . 111
LATCH, Lower Anchors and
Tethers for Children . . . . . . . . . . . 104
LED Lighting . . . . . . . . . . . . . . . . . . . . 307
Level Control
Automatic . . . . . . . . . . . . . . . . . . . . . 232
Liftgate . . . . . . . . . . . . . . . . . . . . . . . . . . 43
Lighting
Entry . . . . . . . . . . . . . . . . . . . . . . . . . 177
Exit . . . . . . . . . . . . . . . . . . . . . . . . . . . 177
Illumination Control . . . . . . . . . . . 176
LED . . . . . . . . . . . . . . . . . . . . . . . . . . 307
Lights
Airbag Readiness . . . . . . . . . . . . . 141
Antilock Brake System
(ABS) Warning . . . . . . . . . . . . . . 145
Brake System Warning . . . . . . . 145
Charging System . . . . . . . . . . . . . 142
Check Engine (Malfunction
Indicator) . . . . . . . . . . . . . . . . . . . . 143
Cruise Control . . . . . . . . . . . . . . . . 150
Door Ajar . . . . . . . . . . . . . . . . . . . . . 150
Engine Coolant
Temperature Warning . . . . . . . 148