GMC Yukon 2012 Owner's Manual page 78

3-16 Seats and Restraints
Returning the Seatback to the
Upright Position
To return the seatback to the upright
position:
1. Open the liftgate to access the
controls for the seat.
2. Raise the seatback to the
upright position.
WARNING
If either seatback is not locked, it
could move forward in a sudden
stop or crash. That could cause
injury to the person sitting there.
Always push and pull on the
seatbacks to be sure they
are locked.
3. Push and pull on the seatback to
make sure it is locked.
Tumbling the Third Row Seat
To tumble the seat:
1. Open the liftgate to access the
controls for the seat.
2. Make sure the headrests are
completely lowered and there is
nothing under, in front of, or
on the seat.
3. Fold the seatbacks forward
using lever 1 and the
instructions listed previously
under Folding the Seatback.
The seat cannot be unlatched
from the floor unless the
seatback is folded.
4. Unlatch the seat from the floor
by lifting lever 2 next to the
carrying handle on the rear of
the seat, near the bottom.
5. Lift the rear of the seat up from
the floor.
6. Tilt the seat fully forward to lock
it into place.
7. Push and pull on the seat to
make sure it is locked.
Put the seat in this position only
when necessary for additional cargo
space.