GMC 2007 Yukon XL Owner's Manual page 259

REMOTE KEY LEARNING ACTIVE
This message will display while you are matching
a remote keyless entry transmitter to your
vehicle. See "Matching Transmitter(s) to Your
Vehicle" under Remote Keyless Entry System
Operation on page 113 and DIC Operation
and Displays (With DIC Buttons) on page 244 or
DIC Operation and Displays (Without DIC Buttons)
on page 251 for more information.
REPLACE BATTERY IN REMOTE KEY
If a remote keyless entry transmitter battery is low,
this message will display. The battery needs to
be replaced in the transmitter. See "Battery
Replacement" under Remote Keyless Entry
System Operation on page 113.
RIGHT REAR DOOR OPEN
If the passenger'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.
SERVICE 4 WHEEL DRIVE
If a problem occurs with the four-wheel-drive
system, this message will display. 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. See your GM dealer.
SERVICE AIR BAG
If there is a problem with the airbag system, this
message will display. Have your GM dealer inspect
the system for problems. See Airbag Readiness
Light on page 227 and Airbag System on page 90
for more information.
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