GMC 1994 Yukon Owner's Manual page 15

Power Seat
If your vehicle has a
power seat on the
driver's side, you can
adjust it with this
switch at the front of
the seat.
You can use the center switch knob to move the seat where you want it. To
raise the seat, move the center switch knob up. To lower the seat, move the
center switch knob down. To move the seat forward, move the center switch
knob toward the inside of the vehicle. To move the seat rearward, move the
center knob toward the outside of the vehicle.
You can also raise and lower the front and rear of the seat. To raise the front
of the seat, move the inner switch lever up. To lower the front of the seat
move the inner switch lever down. To raise the rear of the seat, move the
outer switch lever up. To lower the rear of the seat, move the outer switch
lever down.
Reclining Front Seatback (Bucket or Split Bench Seat)
To adjust the seatback,
lift the front of this
lever.
Release the lever to lock the seatback where you want
it.
Pull up on the
front of the lever and the seatback will go to an upright position.
Don't have a seatback reclined if your vehicle is moving.
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