GMC 1994 Yukon Owner's Manual page 18

Easy Entry Seat (Utility Model Front Seats)
The driver and passenger front bucket seat and the 40/60 split bench seat of
your vehicle has an easy entry feature. This makes it easy to get in and out of
the rear seat.
To operate the seat,
pull forward on the
top of the lever,
located at the side of
the seatback, and tilt
the back forward
toward the front of the
vehicle.
When you do, the seat
bottom will release.
Just pull or push the
seat forward until it
stops.
To return the seat to
its regular position,
return the seatback to
its upright position,
then push the whole
seat rearward until it
latches.
After returning the seat to its regular position, try to move the seat with your
body, to make sure the seat is locked into place.
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CAUTION:
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If any easy entry seat isn't locked, it can move. In a sudden stop
or crash, the person sitting there could be injured. And, even if
there is no crash or sudden stop, a driver sitting in an unlocked
easy entry seat could be startled by the sudden movement and hit
the wrong control or pedal, causing an accident. After you've
used it, be sure to push rearward on any easy entry seat to be
sure it is locked.
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