jump start GMC YUKON XL 2023 User Guide

GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-16417394) - 2023 - CRC - 4/26/22
412 OnStar
Press>to get a priority connection to an
OnStar Advisor available 24/7 to:
.Get help for an emergency.
.Be a Good Samaritan or respond to an
AMBER Alert.
.Get assistance in severe weather or other
crisis situations and find evacuation
routes.
OnStar Services
Emergency
Emergency Services require an active safety
and security plan. With Automatic Crash
Response, built-in sensors can automatically
alert a specially trained OnStar Advisor who
is immediately connected in to the vehicle
to help.
Press
>for a priority connection to an
OnStar Advisor who can contact emergency
service providers, direct them to your exact
location, and relay important information.
With OnStar Crisis Assist, specially trained
Advisors are available 24 hours a day, 7 days
a week, to provide a central point of
contact, assistance, and information during a
crisis. With Roadside Assistance, Advisors can
locate a nearby service provider to help with
a flat tire, a battery jump, or an empty
gas tank.
Security
If equipped, OnStar provides these services:
.With Stolen Vehicle Assistance, OnStar
Advisors can use GPS to pinpoint the
vehicle and help authorities quickly
recover it.
.With Remote Ignition Block, if equipped,
OnStar can block the vehicle from being
restarted.
.With Stolen Vehicle Slowdown,
if equipped, OnStar can work with law
enforcement to gradually slow the
vehicle down.
Theft Alarm Notification
If equipped, if the doors are locked and the
vehicle alarm sounds, a notification by text,
e-mail, or phone call will be sent. If the
vehicle is stolen, an OnStar Advisor can work
with authorities to recover the vehicle.
OnStar Additional
Information
In-Vehicle Audio Messages
Audio messages may play important
information at the following times:
.Prior to vehicle purchase. PressQto set
up an account.
.After change in ownership and at
90 days.
Transferring Service
PressQto request account transfer
eligibility information. The Advisor can
cancel or change account information.
Selling/Transferring the Vehicle
Call 1-888-4ONSTAR (1-888-466-7827)
immediately to terminate your OnStar or
connected services if the vehicle is disposed
of, sold, transferred, or if the lease ends.
Reactivation for Subsequent Owners
PressQand follow the prompts to speak to
an Advisor as soon as possible. The Advisor
will update vehicle records and explain
OnStar or connected service options.

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