Contents
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Keys, Doors, and Windows . . . . . . . . . . . . . . . 7
Seats and Restr aints . . . . . . . . . . . . . . . . . . . . . 45
Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94
Instruments and Controls . . . . . . . . . . . . . . . 98
Lighting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 138
Infotain men t System . . . . . . . . . . . . . . . . . . . 147
Climate Control s . . . . . . . . . . . . . . . . . . . . . . . 203
Driving and Operati ng . . . . . . . . . . . . . . . . . . 210
Vehicle Care . . . . . . . . . . . . . . . . . . . . . . . . . . . . 319
Service and Maintenance . . . . . . . . . . . . . . 405
Technical Data . . . . . . . . . . . . . . . . . . . . . . . . . 420
Customer Inf ormation . . . . . . . . . . . . . . . . . . 425
Reporting Safety Defects . . . . . . . . . . . . . . . 433
OnS tar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 437
Connected Services . . . . . . . . . . . . . . . . . . . . . 44 2
Index. . . . . . . . . . . . . . . . . . . . . . . . . . 445
Introduction
The names, lo go s, emblems, slogans, vehicle
model names, and ve hicle body designs
appearing in this manual in cluding, but not
limited to, GM, the GM logo, GMC, the GMC
Truck Emblem, SIERRA, and DENALI are
trademarks and/or se rvice marks of General
Motors LLC, its subsidiaries, affiliates,
or lice nsors.
For vehicles first sold in Can ada, substitute
the name General Motors of Canada“
Company for GMC Division w herever 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 purc hased
on t he vehicle, model variants, country
specifications , features/applications that may
not be available in your region, or changes
subsequent to th e printing of this owner s’
manual.
If the vehicle has the Duramax diesel
engine, se e the Duramax diesel supplement
for additional and specific informati on on
this engine.
Refer to the purchase documentati on
relat ing to your sp ecific vehic le to confi rm
the fe atures.
Kee p this manual in the vehicle for quick
reference.
Litho in U.S.A.
Part No. 84550392 A First Printing © 2020 General Motors LLC. All Rights Reserved.
