CHEVROLET 2010 Silverado - Manual (Page 17)

On vehicles with four-way lumbar, press and hold the
front of the control to increase lumbar support. To
decrease, press and hold the rear of the control. To
raise the height of the support, press and hold the top of
the control. To lower, press and hold the bottom of the
control.
See Power Lumbar on page 2‑7.
Manual Reclining Seatbacks
If equipped, this control is located on the outboard side
of the seat.
To recline the seatback:
1. Lift the recline lever.
2. Move the seatback to the desired position, then
release the lever to lock the seatback in place.
3. Push and pull on the seatback to make sure it is
locked.
See Reclining Seatbacks on page 2‑10.
Power Reclining Seatbacks
If available, this control is located on the outboard side
of the seat.
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