GMC 2002 Yukon Denali Owner's Manual page 28

The seat will now remain in the upright position.
4. While holding the seat
forward, pull the prop
rod out from the retainer
clips. Flip the prop rod
(arrow) down until it
latches into place.
Returning the Seat to an Upright Position
To return the seat back to the upright position,
do the following:
2. Place the prop rod back into the storage position.
3. Pull the seat toward you and push firmly down until
the seat latches in the floor.
4. Try pulling it up to be sure it is locked into place.
5. Pull up on the release lever labeled 1 and then pull
up on the seatback until the seatback locks into the
upright position.
1. Pull the lever (arrow) on
the prop rod bracket
until the rod unlatches
from the seat bracket.
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