Reduced Engine Power; Replace Liftgate Fuse; Right Rear Door Ajar; Rear Access Open - GMC 2004 Yukon XL Owner's Manual

OIL PRESSURE LOW
If low oil pressure levels occur, this message will be
displayed on the DIC and a chime will sound. Stop the
vehicle as soon as safely possible and do not operate
it until the cause of the low oil pressure has been
corrected. Check your oil as soon as possible and have
your vehicle serviced.
PASSENGER DOOR AJAR
If the passenger's door is not fully closed, this message
will appear on the display and you will hear a chime.
Stop and turn off the vehicle, check the door for
obstacles, and close the door again. Check to see if the
message still appears on the DIC. Press the select
button to acknowledge the message and clear it from
the DIC display.

REAR ACCESS OPEN

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

This message is displayed when the cooling system
temperature gets too hot and the engine further enters
the engine coolant protection mode.
See Engine Overheating on page 5-31 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 5-115.
If the message returns after replacing the fuse, see you
dealer for service.

RIGHT REAR DOOR AJAR

If the passenger's side rear door is not fully closed, this
message will appear on the display and you will hear
a chime. Stop and turn off the vehicle, check the door for
obstacles, and close the door again. Check to see if
the message still appears on the DIC. Press the select
button to acknowledge the message and clear it
from the DIC display.