Dodge 2007 HB Durango - Manual (Page 34)

LIFTGATE
The liftgate can be unlocked using the remote keyless
entry transmitter or by activating the power door lock
switches located on the front doors.
NOTE: When the engine is running from a Remote Start
(if equipped), the vehicle must first be unlocked by
pressing the remote transmitter UNLOCK button prior to
activating the Power Liftgate otherwise the engine will
stop automatically.
Five Button Transmitter
34 THINGS TO KNOW BEFORE STARTING YOUR VEHICLE