Cadillac XT4 Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
16412876) - 2023 - CRC - 3/25/22
Instruments and Controls 143
HUD Troubleshooting
If you cannot see the HUD
image when the ignition is on,
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 0 349.
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
.
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 in performance,
proceed to your destination.
Under certain conditions the
performance may be reduced