Vehicle Messages; Engine Power Messages - GMC SIERRA 2020 Owner's Manual

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 0 365.

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
Instruments and Controls
Vehicle Security
Brakes
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

ENGINE POWER IS REDUCED
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
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