Contents
Introduction .............................. 1
Keys, Doors, and Windows . . . . . . . . . . . . . . . 7
Seats and Restraints . . . . . . . . . . . . . . . . . . . . . 36
Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89
Instruments and Controls . . . . . . . . . . . . . . . 95
Lighting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 136
Infotainment System . . . . . . . . . . . . . . . . . . . 144
Climate Controls . . . . . . . . . . . . . . . . . . . . . . . . 182
Driving and Operating . . . . . . . . . . . . . . . . . . 190
Vehicle Care ............................ 295
Service and Maintenance . . . . . . . . . . . . . . . 373
Technical Data . . . . . . . . . . . . . . . . . . . . . . . . . 386
Customer Information . . . . . . . . . . . . . . . . . . 390
Reporting Safety Defects . . . . . . . . . . . . . . . 398
OnStar ................................. 401
Connected Services . . . . . . . . . . . . . . . . . . . . 406
Index. . . . . . . . . . . . . . . . . . . . . . . . . . 409
Introduction
The names, logos, emblems, slogans, vehicle
model names, and vehicle body designs
appearing in this manual including, but not
limited to, GM, the GM logo, GMC, the GMC
Truck Emblem, YUKON, and DENALI are
trademarks and/or service marks of General
Motors LLC, its subsidiaries, affiliates,
or licensors.
For vehicles first sold in Canada, substitute
the name General Motors of Canada“
Company for GMC wherever it appears in”
this manual.
This manual describes features that may or
may not be on the vehicle because of
optional equipment that was not purchased
on the vehicle, model variants, country
specifications, features/applications that may
not be available in your region, or changes
subsequent to the printing of this owner s’
manual, including changes in standard or
optional content.
If the vehicle has the Duramax diesel
engine, see the Duramax diesel supplement
for additional and specific information on
this engine.
Refer to the purchase documentation
relating to your specific vehicle to confirm
the features.
Keep this manual in the vehicle for quick
reference.
Canadian Vehicle Owners
A French language manual can be obtained
from your dealer, at www.helminc.com,
or from:
Propriétaires Canadiens
On peut obtenir un exemplaire de ce guide
en français auprès du concessionnaire ou à
l'adresse suivante:
Litho in U.S.A.
Part No. 84793870 A First Printing © 2021 General Motors LLC. All Rights Reserved.
