Cadillac GMC Yukon Denali 2005 Owner's Manual page 16

60/40 Split Bench Seat
If your vehicle has a 60/40 split bench, the seats can be
folded to give you more cargo space.
Folding the Seatbacks
(60/40 Split Bench Seat)
The rear seat may have a 60/40 split seat which may be
folded down to create a load floor and give you more
cargo space. On the Yukon Denali, the rear seatbacks
are equipped with rearward folding head restraints.
When the seatback is being folded down, the head
restraint will automatically fold rearward.
1-10
To fold the rear seat, do the following:
1. Make sure that nothing is under or in front of
the seat.
3. Yukon Denali: Pull the seatback forward and fold it
down until it is flat.
2. Pull up on the strap
loop located in the
center of the seat
where the seatback
and seat cushion meet
and pull the seat
cushion up. Then fold it
forward.