GMC 1997 Safari Owner's Manual page 11

Manual Lumbar Support
(If
Equipped)
Power Seats (If Equipped)
If you have this feature, there will be a control pad on the
inboard side of the driver and passenger bucket seats.
If you have this feature, there will be a knob on the
inboard side of the driver and passenger bucket seats.
Turn the knob toward the front of the vehicle to increase
lumbar support. Turn the knob toward the rear of the
vehicle to decrease lumbar support.
The front control makes the front of the seat go up
and down.
The rear control makes the rear of the seat go up
and down.
The center control makes the whole seat go forward,
rearward, up or down.
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