Vehicle Messages; Engine Power Messages - GMC Sierra Denali 1500 2023 Owner's Manual

Audio overlays display when the audio app
is selected on the instrument cluster. All
HUD views may briefly display audio
information when the driver uses the
steering wheel controls to adjust the audio
settings appearing in the instrument cluster.
Incoming phone calls appearing in the
instrument cluster, may also display in any
HUD view.
Care of the HUD
Clean the inside of the windshield to remove
any dirt or film that could reduce the
sharpness or clarity of the HUD image.
Clean the HUD lens with a soft cloth
sprayed with glass cleaner. Wipe the lens
gently, then dry it.
HUD Troubleshooting
Check that:
Nothing is covering the HUD lens.
The HUD brightness setting is not too
dim or too bright.
The HUD is adjusted to the proper height.
Polarized sunglasses are not worn.
The windshield and HUD lens are clean.
If the HUD image is not correct, contact
your dealer.
The windshield is part of the HUD system.
See Windshield Replacement 0 358.

Vehicle Messages

Messages displayed on the Driver
Information Center (DIC) indicate the status
of the vehicle or some action that may be
needed to correct a condition. Multiple
messages may appear one after another.
The messages that do not require
immediate action can be acknowledged and
cleared by pressing the thumbwheel. The
messages that require immediate action
cannot be cleared until that action is
performed.
All messages should be taken seriously;
clearing the message does not correct the
problem.
If a SERVICE message appears, see your
dealer.
Follow the instructions given in the
messages. The system displays messages
regarding the following topics:
Service Messages
Fluid Levels
Vehicle Security
Brakes
Instruments and Controls
Steering
Ride Control Systems
Driver Assistance Systems
Cruise Control
Lighting and Bulb Replacement
Wiper/Washer Systems
Doors and Windows
Seat Belts
Airbag Systems
Engine and Transmission
Tire Pressure
Battery

Engine Power Messages

REDUCED ACCELERATION DRIVE
WITH CARE
This message displays when the vehicle's
propulsion power is reduced. A reduction in
propulsion power can affect the vehicle's
ability to accelerate. If this message is on,
but there is no observed reduction in
performance, proceed to your destination.
Under certain conditions the performance
may be reduced the next time the vehicle is
driven. The vehicle may be driven while this
message is on, but maximum acceleration
and speed may be reduced. Anytime this
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