Dodge 2007 HB Durango - Manual (Page 118)

To fold the 20% seatback, pull the strap forward to release
the seatback. Fold the seatback down for use as an
armrest or to carry cargo. When returning the seatback to
the upright position, push the seatback rearward to latch
the seatback. Pull the seatback forward to ensure that it is
locked in the upright position.
WARNING!
The 20% seatback contains the center shoulder belt.
A 20% seatback that is not fully latched in the
upright position will not protect you properly.
Fold, Tumble, and Recline Lever
118 UNDERSTANDING THE FEATURES OF YOUR VEHICLE