Seat Adjustment - GMC Sierra Denali 2017 Owner's Manual

10 In Brief
or when Retained Accessory Power
(RAP) is active. See Retained
Accessory Power (RAP) 0 262.
Press the switch to lower the
window. Pull the switch up to
raise it. See Windows 0 46 and
Power Windows 0 46.
Power Sliding Rear Window
If equipped, the power sliding rear
window works when the ignition has
been turned to ACC/ACCESSORY
or ON/RUN, or when Retained
Accessory Power (RAP) is active.
See Retained Accessory Power
(RAP) 0 262.
Press the switch to open the
window. Pull the switch up to close
it. See Windows 0 46 and Power
Windows 0 46.
The power sliding rear window
cannot be operated manually. See
Power Sliding Rear Window in
Rear Windows 0 48.

Seat Adjustment

Power Seats
To adjust a power seat:
Move the seat forward or
rearward by sliding the control
forward or rearward.
Raise or lower the front part of
the seat cushion by moving the
front of the control up or down.
Raise or lower the seat by
moving the rear of the control up
or down.
See Power Seat Adjustment 0 52.
Lumbar Adjustment
To adjust the power lumbar support:
Press and hold the control
forward to increase or rearward
to decrease upper and lower
lumbar support at the same time.