GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-16417394) - 2023 - CRC - 4/26/22
40 Seats and Restraints
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 seat belts
cannot do their job.(Continued)
Warning (Continued)
The shoulder belt will not be against
your body. Instead, it will be in front of
you. In a crash, you could go into it,
receiving neck or other injuries.
The lap belt could go up over your
abdomen. The belt forces would be there,
not at your pelvic bones. This could cause
serious internal injuries.
For proper protection when the vehicle is
in motion, have the seatback upright.
Then sit well back in the seat and wear
the seat belt properly.
Do not have a seatback reclined if the
vehicle is moving.
Lumbar Adjustment
To adjust the lumbar support, if equipped:
.Press and hold the front or rear of the
control to increase or decrease lumbar
support.
.If equipped, press and hold the top or
bottom of the control to raise or lower
lumbar support.
GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./
Canada/Mexico-16417394) - 2023 - CRC - 4/26/22
Seats and Restraints 41
Uplevel Seat Adjustment
To adjust lumbar support, if equipped:
.Press and release or hold Feature
Select (1) to scroll to lumbar support on
the infotainment display.
.Press Forward (5) or Rearward (3) to
adjust lumbar forward or rearward.
.Press Up (2) or Down (4) to adjust lumbar
up or down.Bolster Support
To adjust bolster support, if equipped:
Press and release or hold Feature Select (1)
to scroll to bolster support on the
infotainment display. Press Forward (5) or
Rearward (3) to adjust bolster support
inward or outward.
Upper Shoulder Support
To adjust upper shoulder support,
if equipped:
.Press and release or hold Feature
Select (1) to scroll to upper shoulder
support on the infotainment display.
.Press Forward (5) or Rearward (3) to
adjust shoulder support forward or
rearward.
Massage
If equipped, the vehicle must be on to use
the massage feature.
To activate and adjust massage:
.Turn the Feature Select (1) to scroll to
massage on the infotainment display.
.Press Up (2) or Down (4) to adjust
massage type.
.Press Forward (5) or Rearward (3) to
adjust the intensity.
.To turn massage off or to activate
massage at last massage type and
intensity settings, press the massage
On/Off Control (6).
