GMC SIERRA 2020 Owner's Manual page 154

Some vehicle messages or alerts
displayed in the HUD may be
cleared by using the steering wheel
controls.
The HUD control is to the left of the
steering wheel.
To adjust the HUD image:
1. Adjust the driver seat.
2. Start the engine.
3. Use the following settings to
adjust the HUD.
: Press or pull to center the
HUD image. The HUD image can
only be adjusted up and down, not
side to side.
: Press to select the display
view. Each press will change the
display view.
: Pull and hold to brighten the
display. Press and hold to dim the
display. Continue to hold to turn the
display off.
The HUD image will automatically
dim and brighten to compensate for
outside lighting. Use
as needed.
The HUD image can temporarily
light up depending on the angle and
position of sunlight on the HUD
display. This is normal.
Polarized sunglasses could make
the HUD image harder to see.
Head-Up Display (HUD) Rotation
Option
If equipped, this feature under the
Options menu of the instrument
cluster allows for adjusting the angle
of the HUD image and changing or
turning off the Speed Limit Sign.
Instruments and Controls
HUD Rotation: Press the
thumbwheel while Adjust Rotation is
highlighted to enter Adjust Mode.
Scroll to adjust the angle of the
HUD display. Press the thumbwheel
to confirm and save the setting. This
feature may only be available in
P (Park).
Speed Limit Style Adjustment
If equipped, the speed limit style
to adjust
can be changed to a speed limit bar
or speed limit sign from the Options
menu in the instrument cluster.
Press the thumbwheel while Speed
Limit Style is highlighted to change
the speed sign style or to turn it off.
HUD Views
There are four views in the HUD.
Some vehicle information and
vehicle messages or alerts may be
displayed in any view.
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