GMC Sierra 2015 Owner's Manual page 185

5-50 Instruments and Controls
Comfort and Convenience
Select and the following may
display:
Auto Memory Recall
Easy Exit Options
Chime Volume
Reverse Tilt Mirror
Auto Mirror Folding
Auto Memory Recall
This allows the feature to be turned
on or off. See Memory Seats on
page 3-7.
Select On orOff.
Easy Exit Options
This allows the feature to be turned
on or off. See Memory Seats on
page 3-7.
Select On or Off.
Chime Volume
This allows the selection of the
chime volume level.
Turn the MENU knob or press + or
to adjust the volume.
Reverse Tilt Mirror
When on, the driver and/or
passenger mirrors will tilt downward
when the vehicle is shifted to
R (Reverse) to improve visibility of
the ground near the rear wheels.
Select Off, On - Driver and
Passenger, On - Driver, or On -
Passenger.
Auto Mirror Folding
When on, the outside rearview
mirrors will automatically fold or
unfold when the Remote Keyless
Entry (RKE) transmitter lock or
unlock button is pressed and held.
Select Off or On.
Lighting
Select and the following may
display:
Vehicle Locator Lights
Exit Lighting
Vehicle Locator Lights
This feature will flash the exterior
lamps and allows some of the
exterior lamps and most of the
interior lamps to turn on briefly
when on the Remote Keyless
Entry (RKE) transmitter is pressed
to locate the vehicle.
Select Off or On.
Exit Lighting
This allows the selection of how
long the exterior lamps stay on
when leaving the vehicle when it is
dark outside.
Select Off, 30 Seconds,
60 Seconds, or 120 Seconds.
Power Door Locks
Select and the following may
display:
Auto Door Unlock
Delayed Door Lock