GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-9955936) - 2017 - crc - 7/5/16
Seats and Restraints 65
To adjust the 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.
To adjust the seatback, see
Reclining Seatbacks 0 65.
To adjust the lumbar support, see
Lumbar Adjustment 0 65.
Some vehicles are equipped with a
feature that activates a vibrating
pulse alert in the driver seat to help
the driver avoid crashes. See Driver
Assistance Systems 0 251.
Lumbar Adjustment
To adjust the lumbar support:
.
Press and hold the control
forward to increase or rearward
to decrease upper and lower
lumbar support at the same time.
.
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.
Reclining Seatbacks
To recline the seatback:
.
Tilt the top of the control
rearward to recline.
.
Tilt the top of the control forward
to raise.
{
Warning
Sitting in a reclined position when
the vehicle is in motion can be
dangerous. Even when buckled
up, the safety belts cannot do
their job.
(Continued)
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