Start the editor and place any non-vehicle player unit and start, then paste the following into the debug console and execute it:
player setPos [14771.4,16334.6,0.00143814];player setDir 156;_vehicle = createVehicle ["B_MRAP_01_hmg_F", [14774.1,16325.6,0.00143814], [], 0, "NONE"];_vehicle setDir 0;_unit = group player createUnit ["B_Soldier_F", getPos player, [], 0, "NONE"];_unit moveInGunner _vehicle;setDate [2035,12,24,2,0];
Order the unit to disembark or eject from the gunner seat. Notice the lights turn off.