GMC 2000 Sierra - Manual (Page 22)

yellow blue
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Rear Seat (Extended Cab)
Folding the Rear Seat
The extended cab’s rear seat can be folded up to provide
more cargo space. To fold the seat:
1. Pull forward on the
release strap located
under the rear
seat cushion.
2. Fold the seat cushion upward until it latches with
the seatback.
3. Push and pull on the seat
to make sure the seat
is secure.
The extended cab’s rear seat can also be folded open for
more seating space. To use the seat:
1. Push rearward on the seat cushion while pulling up
on the release strap under the seat cushion. Pull the
seat cushion downward until it latches.
2. After pulling the seat cushion down, pull up on it to
make sure it is locked.