Chevrolet 2009 Suburban Owner's Manual page 36

Removing the Third Row Seat
To remove the seat, do the following:
1. Open the liftgate to access the controls for the seat.
2. Fold the seatback forward using the instructions
listed under "Folding the Seatbacks" previously.
The seat cannot be removed unless the seatback is
folded.
4. Roll the seat out of the vehicle. There is a track in
the floor to guide the seat wheels out of the vehicle.
1-30
3. Unlatch the seat from
the floor by pulling the
carrying handle,
located at the rear of
the seat, rearward.
Installing the Third Row Seat
To install the seat, do the following:
1. Open the liftgate to access the rear of the vehicle.
2. Slide the front outboard seat wheels into the
track on the floor and roll the seat forward. The front
latches should lock into place. If the latches do
not lock, try tilting the rear of the seat upward
slightly.
3. Lower the rear of the seat and push down on the
seat to engage the rear floor latches.
CAUTION:
{
A seat that is not locked into place properly can
move around in a collision or sudden stop. People
in the vehicle could be injured. Be sure to lock the
seat into place properly when installing it.
4. Push and pull on the seat to make sure it is locked
into place. The seatback cannot be raised to the
upright position unless the seat is secured to
the floor.
5. Pull up on the seatback until it locks into the upright
position.