Black plate (8,1)
GMC 2015i Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-8431500) - 2015 - crc - 2/11/15
1-8
In Brief
.
Press and hold the control up to
increase upper lumbar support
and decrease lower lumbar
support.
Press and hold the control down
to increase lower lumbar support
and decrease upper lumbar
support.
See
Lumbar Adjustment on
page 3-3
.
Reclining Seatbacks
To adjust the seatback:
.
Tilt the top of the control
rearward to recline.
.
Tilt the top of the control forward
to raise.
See
Reclining Seatbacks on
page 3-4
.
Memory Features
The SET, "1," "2," and
B
(Exit)
buttons on the driver door are used
to manually save and recall memory
settings for the driver seat, outside
mirrors, and adjustable pedals.
See
Memory Seats on page 3-5
and
Vehicle Personalization on
page 5-42
.
Heated and Cooled Front
Seats
The buttons are on the center stack.
To operate, the engine must be
running.