GMC 2012 Sierra Denali Owner's Manual page 163

ON (default): If it is dark enough
outside, the exterior lights will turn
on briefly when you unlock the
vehicle with the RKE transmitter.
The lights will remain on for
20 seconds or until the lock button
on the RKE transmitter is pressed,
or the vehicle is no longer off. See
Remote Keyless Entry (RKE)
System Operation on page 2 3 for
more information.
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.
CHIME VOLUME
This feature allows you to select the
volume level of the chime.
Press the customization button until
CHIME VOLUME 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:
NORMAL: The chime volume will
be set to a normal level.
LOUD: The chime volume will be
set to a loud level.
NO CHANGE: No change will be
made to this feature. The current
setting will remain.
There is no default for chime
volume. The volume will stay at the
last known setting.
To select a setting, press the set/
reset button while the desired
setting is displayed on the DIC.
Instruments and Controls
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 R (Reverse).
See Park Tilt Mirrors on page 2 15
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 R (Reverse).
DRIVER MIRROR: The driver's
outside mirror will be tilted down
when the vehicle is shifted into
R (Reverse).
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