GMC 2015 Sierra Denali Owner's Manual page 49

2-20 Keys, Doors, and Windows
Crew/Double Cab Premium Trim
Shown, Other Models Similar
The driver door has a switch to
control all windows. Each
passenger door has a switch to
control that window.
The power windows:
Can be operated with the
ignition in ON/RUN or ACC/
ACCESSORY.
Can be operated in Retained
Accessory Power (RAP). See
Retained Accessory Power
(RAP) on page 9-29.
Will stop operation when any
door is opened.
Press the switch down to lower the
window, and pull up the front of the
switch to raise the window.
Express-Down Windows
The express-down feature allows
the window to be lowered without
holding the switch. Press the
window switch fully and release it to
activate the express-down feature.
The express-down feature can be
canceled at any time by briefly
pressing the switch.
Express-Up Window
The driver window express-up
feature allows the window to be
raised without holding the switch.
Pull the window switch up fully and
release it to activate the express-up
feature. The express-up feature can
be canceled at any time by briefly
pulling the switch.
Programming the Power
Windows
If the battery on the vehicle has
been recharged or disconnected,
or is not working, the driver power
window will need to be
reprogrammed for the express-up
feature to work.
To reprogram the power windows:
1. Close all doors.
2. Place the ignition in ACC/
ACCESSORY or ON/RUN/
START.
3. From any open position, pull the
power window switch up until the
window is fully closed.
4. Hold the switch up for
approximately two seconds after
the window is fully closed.
The window is now reprogrammed.