Lumbar Adjustment; Memory Seats - GMC Sierra 2500 HD2022 Owner's Manual

50 Seats and Restraints
2. Push and pull on the seatback to make
sure it is locked.
Power Reclining Seatbacks
To recline a power seatback, if equipped:
Tilt the top of the control rearward to
recline.
Tilt the top of the control forward to
raise.

Lumbar Adjustment

Power Lumbar
To adjust the lumbar support, if equipped:
Press and hold the control forward to
increase or rearward to decrease upper
and lower lumbar support at the
same time.

Memory Seats

Overview
If equipped, the memory seat feature allows
drivers to save their unique driving positions
and a shared exit position. See Saving
Seating Positions later in this section. The
saved positions can be recalled manually by
all drivers, see Manually Recalling Seating
Positions later in this section, and drivers
with RKE transmitters 1 and 2 can also recall
them automatically. See Auto Seat Entry
Memory Recall or Auto Seat Exit Memory
Recall later in this section. To enable
automatic recalls, turn on Seat Entry
Memory and/or Seat Exit Memory. See
Enable Automatic Recalls under Vehicle