length GMC SIERRA 2021 Get To Know Guide

16F Optional equipment required
CAMERA SYSTEM FEATURES
The available camera systems feature up to 8 camerasF with up to 15 viewsF to help
make it easier to hitch a trailer and provide better visibility while towing.
REAR VISION CAMERA
When the vehicle is in Reverse, a view of the area behind the vehicle dis plays on the infotainment screen. Camera view buttonsF are on the screen.
Touch the Guidance Lines or Hitch Guid ance button to change gu idelines.
Touch the Hitch View button for a zoomed-in view of the hitch area.
SURROUND VISIONF
High-definition rear, front or side c amera views along with a view of the area surrounding the
vehicle are displayed on the infotainment screen
when the vehicle is in Reverse or Drive. Camera
view buttonsF are on the screen.
Touch the Guidance Lines or
Hitch Guidance button to change guidelines.
Touch the Bed View button to view the
bed to check cargo or to view guidelines to
help when hitching a 5th wheel or gooseneck
trailer. Zoom functionality also available.
To check the available camera views when in
Drive above 8 mph, touch the Camera icon on
the infotainment s creen and select the desired view. Touch X to exit the view.
ADDITIONAL TRAILER CAMERA VIEWSF
Multiple views to aid in trailering are shown on the infotainment screen using the vehicl e cameras and up to two additional wired acces-
sory camerasF mounted on the rear or interior of the trailer.
Touch the Rear Side View button for a
biased split view of each side of the trailer
(more of the left or right side will be shown
based on trailer position) and to view trailer
length when a turn signal is activated.
Touch the Transparent Trailer View button for a view behind the trailer.
Compatible with most conventional box
trailers; requires accessory cameraF.
Jack-Knife AlertF – The Jack-Knife Alert displays
a warning symbol when the truck/trailer angle is in a possible jack-knife position and
there is a potential imminent collision situation. The Safety Alert Seat
F may pulse or
beeps may sound.
Note: Accessory camera system compatible with most trailer and hitch types.
See Driving and Operating in your Owner’s Manual.
Surround Vision Rear Camera View screen
Bed View screen
Transparent Trailer View screen

18F Optional equipment
TRAILERINGF
PROGRADE TRAILERING SYSTEMF
The in-vehicle trailering app on the info-
tainment screen allows customized trailer
profiles with a variety of helpful towing
assistance features, including a hitching
and setup checklist, trailer tire pressure and
temperature monitoring
F, trailer light test-
ing, Jack-Knife Alert, trailer length indicator,
trailer theft detection and more. Trailering
App information also is available with the
myGMC mobile app.
Note: The Trailering App will monitor trailer presence, even while the vehicle is off, by periodically
checking the trailer lighting circuits. On trailers equipped with LED lights, these periodic checks may
cause the trailer lights to flash. This flashing will become more frequent if Theft Alert is enabled.
HITCH AREA LIGHTING
Press the Cargo Lamp button on the left side of the instrument panel to turn
the cargo bed lamp or conventional hitch lamp on/off.
TRAILERING INFORMATION LABEL
The Trailering information label, located by the driver’s door latch, provides vehicle-
specific weight information to help when loading the vehicle.
INTEGRATED TRAILER BRAKE CONTROL (ITBC)F
The ITBC system can be used to adjust the
power output, or Trailer Gain, to the trailer
brakes. The control panel is on the center
of the instrument panel. ITBC information
is displayed on the ITBC page on the Driver
Information Center.
Squeeze the control together (right s ide does not move) to manually apply the
trailer brakes.
Adjust the Trailer Gain by pressing the +/– adjustment buttons. See Driving and Operating in your Owner’s Manual.
TRUCK TIRE PRESSURE MONITORING SYSTEM
The Low Tire Pressure warning light on the instrument cluster illuminates when one
or more of the vehicle’s tires is significantly underinflated. Fill the tires to the proper tire
pressures listed on the Tire and Loading Information label, located below the driver’s
door latch. Current tire pressures can be viewed on the Driver Information Center.
With the ignition On or in Accessory mode, the Tire Fill Alert will provide visual and
audible alerts to help with inflating a tire to the recommended tire pressure (does not apply to spare tire). When the recommended pressure is reached, the horn sounds and
the turn signals change from flashing to solid.
Note: Refer to your Owner’s Manual for accessory trailer tire pressure monitoring system
information.
See Vehicle Care in your Owner’s Manual.