2021 GMC SIERRA charging

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Page 3 of 20

GMC SIERRA 2021  Get To Know Guide 3
Read your Owner’s Manual to 
learn about the information being 
relayed by the lights, gauges and 
indicators on the instrument cluster.
 
See Introduction in your 
Owner’s Manual.
Driver’s He

Page 11 of 20

GMC SIERRA 2021  Get To Know Guide 11
BLUETOOTH® SYSTEMF
F Optional equipment     
Read your Owner’s Manual for important information about using the Bluetooth system while 
driving.
Before using a Bluetooth-enabled device in the ve