2021 GMC SIERRA service

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GMC SIERRA 2021  Get To Know Guide 2
INSTRUMENT PANEL
Engine 
Start/Stop  Button
F
Cruise Control/ Forward Collision AlertF/Heated 
Steering WheelF 
Buttons
Electric  Parking  Brake 
Switch
Power 
Mirror
F/
Window  Buttons Driver 
Info

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GMC SIERRA 2021  Get To Know Guide 5
STARTING THE VEHICLE
 With the vehicle in Park or Neutral, rotate the key clockwise to the Start position. 
TURNING OFF THE VEHICLE
 Shift to Park. 
 Push the key all the way in (1) and then rotate

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GMC SIERRA 2021  Get To Know Guide 20
Download the myGMC app to your compatible smartphone (or device) and, if your  vehicle is properly equipped, you can start or turn off your engine, lock or unlock your doors, view key diagnostic in