An internal release mechanism for a truck roll-up door closure to a vehicle compartment includes a lift arm disposed on the roll-up door inside the vehicle compartment having a stowed position and a deployed position, a first release mechanism coupled to the lift arm operable to bypass a door lock disposed outside the vehicle compartment in response to the lift arm being moved by an occupant inside the vehicle compartment from the stowed position to the deployed position, and a second release mechanism coupled to the lift arm operable to clear a mechanical door latch disposed outside of the vehicle compartment also in response to the lift arm being moved from the stowed position to the deployed position.