2021 GMC SIERRA Intelli

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Page 124 of 461

GMC SIERRA 2021  Owners Manual GMC Sierra/Sierra Denali 1500 Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-14632426) - 2021 - CRC - 11/5/20
Instruments and Controls 123
The security light should come on briefly as
the engine is

Page 134 of 461

GMC SIERRA 2021  Owners Manual GMC Sierra/Sierra Denali 1500 Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-14632426) - 2021 - CRC - 11/5/20
Instruments and Controls 133
Touch the controls on the infotainment
display to adjust t

Page 141 of 461

GMC SIERRA 2021  Owners Manual GMC Sierra/Sierra Denali 1500 Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-14632426) - 2021 - CRC - 11/6/20
140 Lighting
for an additional 10 minutes. To keep the
lamps on for more than 10 minute

Page 278 of 461

GMC SIERRA 2021  Owners Manual GMC Sierra/Sierra Denali 1500 Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-14632426) - 2021 - CRC - 11/5/20
Driving and Operating 277
Automatic Emergency
Braking (AEB)
If the vehicle has Forward

Page 279 of 461

GMC SIERRA 2021  Owners Manual GMC Sierra/Sierra Denali 1500 Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-14632426) - 2021 - CRC - 11/5/20
278 Driving and Operating
AEB and IBA can be disabled. See“Collision/
Detection Syste

Page 290 of 461

GMC SIERRA 2021  Owners Manual GMC Sierra/Sierra Denali 1500 Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-14632426) - 2021 - CRC - 11/5/20
Driving and Operating 289
Warning (Continued)
trailer only if all the steps in this sec