GMC Yukon Denalid Owner's Manual page 33

Folding the Seatback(s)
To fold the seatback, do the following:
1. Open the liftgate to access the controls for
the seat.
2. Remove all items on the seat cushion.
Notice: Folding a rear seat with the safety
belts still fastened may cause damage to the
seat or the safety belts. Always unbuckle
the safety belts and return them to their normal
stowed position before folding a rear seat.
3. Lift the release lever,
located on the bottom
rear of the seatback
on the outboard
side of the seat, and
the seatback will
fold forward.
Unfolding the Seatback(s)
To return the seatback to the upright position, do
the following:
1. Open the liftgate to access the controls for
the seat.
2. Pull up on the seatback until it locks into the
upright position.
CAUTION:
{
If the 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 seatback to be sure it is locked.
3. Push and pull on the seatback to make sure it
is locked.
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