GMC Yukon Denalid Owner's Manual page 30

3. Lift the lever again to release the rear of the
seat from the floor. The seat will tumble
forward.
Automatic Release Fold and Tumble
Feature
The transmission must be in PARK (P) for this
feature to work.
30
2. Lift the lever,
located on the
bottom rear of the
second row seat on
the inboard side,
to release the
seatback. The
seatback will fold
forward.
Folding and Tumbling the Seat(s)
CAUTION:
{
Automatically folding and tumbling the
seat when someone is sitting in the seat,
could cause injury to the person sitting
there. Always make sure there is no one
sitting in the seat before pressing the
automatic seat release button.
To fold and tumble the seat, do the following:
1. Make sure that there is nothing under, in front
of, or on the seat.
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.