2.3.3.6. Vertical setup 2. (Applicable to doors that open in a vertical direction) . Orient the door subsystem(s) on the acceleration device so that its vertical axis (when mounted in a vehicle) is aligned with the axis of the acceleration device, simulating a rollover impact where the force is applied in the direction opposite to that described in paragraph 2.3.3.5. of this annex. a0c0