GMC Sierra Denali Classic 2007 Owner's Manual page 204

Curb View
Press the customization button until CURB VIEW
appears in the display. To select your preference
for curb view, press the select button while CURB
VIEW is displayed on the DIC. Pressing the select
button will scroll through the following choices:
CURB VIEW: OFF (default): Neither outside
mirror will be tilted down when the vehicle
is shifted into REVERSE (R).
CURB VIEW: PASSENGER: The passenger's
outside mirror will be tilted down when the vehicle
is shifted into REVERSE (R).
CURB VIEW: DRIVER: The driver's outside
mirror will be tilted down when the vehicle
is shifted into REVERSE (R).
CURB VIEW: BOTH: The driver's and
passenger's outside mirror will be tilted down
when the vehicle is shifted into REVERSE (R).
Choose one of the available options and press the
customization button while it is displayed on the
DIC to select it and move on to the next feature. For
more information on tilt mirror in reverse, see
Outside Curb View Assist Mirrors on page 120.
204
Alarm Warning
Press the customization button until ALARM
WARNING appears in the display. To select your
preference for alarm warning, press the select
button while ALARM WARNING is displayed on
the DIC. Pressing the select button will scroll
through the following choices:
ALARM WARNING: BOTH (default): The
headlamps will flash and the horn will chirp when
the alarm is active.
ALARM WARNING: OFF: There will be no alarm
warning on activation.
ALARM WARNING: HORN: The horn will chirp
when the alarm is active.
ALARM WARNING: LAMPS: The headlamps will
flash when the alarm is active.
Choose one of the available options and press the
customization button while your choice is
displayed on the DIC to select it and move on to
the next feature. For more information on
alarm warning type, see Content Theft-Deterrent
on page 96.