GMC 2007 Yukon XL Owner's Manual page 258

LEFT REAR DOOR OPEN
If the driver's side rear door is not fully closed and
the vehicle is in a drive gear, this message will
display and a chime will sound. Stop and turn off
the vehicle, check the door for obstructions,
and close the door again. Check to see if the
message still appears on the DIC.
OIL PRESSURE LOW STOP ENGINE
Notice: If you drive your vehicle while the
engine oil pressure is low, severe engine
damage may occur. If a low oil pressure
warning appears on the Driver Information
Center (DIC), stop the vehicle as soon as
possible. Do not drive the vehicle until the
cause of the low oil pressure is corrected.
See Engine Oil on page 438 for more
information.
If low oil pressure levels occur, this message will
display. 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 by your GM dealer. See Engine Oil on
page 438.
258
PARK ASSIST OFF
If your vehicle has the Ultrasonic Rear Parking
Assist (URPA) system, after the vehicle has been
started, this message will display to remind the
driver that the URPA system has been turned off.
Press the set/reset button or the trip odometer
reset stem to acknowledge this message and clear
it from the DIC display. To turn the URPA
system back on, see Ultrasonic Rear Parking
Assist (URPA) on page 205.
PASSENGER DOOR OPEN
If the passenger's door is not fully closed and the
vehicle is in a drive gear, this message will
display and a chime will sound. Stop and turn off
the vehicle, check the door for obstructions,
and close the door again. Check to see if the
message still appears on the DIC.
REAR ACCESS OPEN
If the liftgate or liftglass is open while the ignition
is in RUN, this message will display and a
chime will sound. Turn off the vehicle and check
the liftgate and liftglass. Restart the vehicle
and check for the message on the DIC display.