GMC 2009 Sierra - Manual (Page 209)

PARK TILT MIRRORS
If your vehicle has this feature, it allows you to select
whether or not the outside mirror(s) will automatically tilt
down when the vehicle is shifted into REVERSE (R).
See Outside Power Foldaway Mirrors on page 2-41 for
more information.
Press the customization button until PARK TILT
MIRRORS appears on the DIC display. Press the
set/reset button once to access the settings for
this feature. Then press the customization button to
scroll through the following settings:
OFF (default): Neither outside mirror will be tilted down
when the vehicle is shifted into REVERSE (R).
DRIVER MIRROR: The driver’s outside mirror will be
tilted down when the vehicle is shifted into
REVERSE (R).
PASSENGER MIRROR: The passenger’s outside
mirror will be tilted down when the vehicle is shifted into
REVERSE (R).
BOTH MIRRORS: The driver’s and passenger’s outside
mirrors will be tilted down when the vehicle is shifted
into REVERSE (R).
NO CHANGE: No change will be made to this feature.
The current setting will remain.
To select a setting, press the set/reset button while the
desired setting is displayed on the DIC.
EASY EXIT SEAT
If your vehicle has this feature, it allows you to select
your preference for the automatic easy exit seat feature.
See Memory Seat, Mirrors, and Pedals on page 1-4
for more information.
Press the customization button until EASY EXIT SEAT
appears on the DIC display. Press the set/reset button
once to access the settings for this feature. Then
press the customization button to scroll through the
following settings:
OFF (default): No automatic seat exit recall will occur.
ON: The driver’s seat will move back when the key
is removed from the ignition.
The automatic easy exit seat movement will only occur
one time after the key is removed from the ignition.
If the automatic movement has already occurred, and
you put the key back in the ignition and remove it again,
the seat will stay in the original exit position, unless a
memory recall took place prior to removing the key again.
NO CHANGE: No change will be made to this feature.
The current setting will remain.
To select a setting, press the set/reset button while the
desired setting is displayed on the DIC.
3-73