GMC Chevrolet Silverado 2500HD 2021 Owner's Manual page 125

124 Instruments and Controls
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 to adjust 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.
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 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.
English Shown, Metric Similar
Speed View : This displays the speedometer
reading in English or metric units, and speed
limit. Some information only appears on
vehicles that have these features, and when
they are active.
English Shown, Metric Similar
Active Safety View : This displays the speed
view along with a driver assistance graphic
on the left. Driver assistance graphics show
your vehicle, vehicle ahead, gap setting, and
lane status information. In addition to driver
assistance graphics, pedestrian advisory and
trailer sway indicators will be displayed.