GMC 2004 Sierra - Manual (Page 15)

Rear Seats
Rear Seat Operation (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 do the
following:
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 do the following:
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.
Rear Seat Operation (Crew Cab)
The second row rear seat has a 60/40 split seat. Either
side of the rear seat may be folded down to give
you more cargo space.
Make sure that nothing is under or in front of the seat
and that the head restraints are completely lowered.
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