Rear Access Open; Service Air Bag; Service Brake System; Reduced Engine Power - GMC Yukon Denali 2003 Owner's Manual

REAR ACCESS OPEN

If the liftgate is open while the ignition is in RUN, this
message will appear on the DIC and you will hear
a chime. Turn off the vehicle and check the liftgate.
Restart the vehicle and check for the message on the
DIC display. Pressing the select button will acknowledge
this message and clear it from the DIC display.

REDUCED ENGINE POWER

This message is displayed and you will hear a chime
when the cooling system temperature gets too hot
and the engine further enters the engine coolant
protection mode.
See Engine Overheating on page 5-26 for further
information.

REPLACE LIFTGATE FUSE

This message will be displayed if the liftgate lock
malfunctions and/or the liftgate fuse blows. For more
information on fuses, see Fuses and Circuit Breakers on
page 5-93
If the message returns after replacing the fuse, see you
dealer for service.

SERVICE AIR BAG

If there is a problem with the air bag system, this
message will be displayed on the DIC. Have a qualified
technician inspect the system for problems. Pressing
the select button will acknowledge this message
and clear it from the DIC display.

SERVICE BRAKE SYSTEM

If a problem occurs with the brake system, this message
will appear on the DIC. If this message appears, stop
as soon as possible and turn off the vehicle. Restart the
vehicle and check for the message on the DIC display.
If the message is still displayed, or appears again when
you begin driving, the brake system needs service.

SERVICE 4WD

If a problem occurs with the all-wheel drive system, this
message will appear on the DIC. If this message
appears, stop as soon as possible and turn off the
vehicle. Restart the vehicle and check for the message
on the DIC display. If the message is still displayed,
or appears again when you begin driving, the four wheel
drive system needs service.
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