Dodge Durango Owner's Manual page 95

THINGS TO KNOW BEFORE STARTING YOUR VEHICLE 93
the buckle around, and insert the latch plate into the
buckle again. If you still can't make the child restraint
secure, try a different seating position.
2
To attach a child restraint tether strap:
For rearward facing infant seats secured in the center seat
position with the vehicle seat belts, the rear center seat
position has an armrest tether that secures the arm rest in
the upward position. To access the center seat arm rest
tether first lower the arm rest. The tether is located
behind the armrest and hooked onto the plastic seat
backing.
Center Seat Position Arm Rest Tether