An access port cover is described. The access sport cover may seal an aperture located in a vehicle body whereby the access port cover may also provide access to a terminal located within the body. The access port cover may include a cover, a hinge mechanism and a linkage mechanism. The cover may include an outer portion and an inner portion, wherein the inner portion may include a first and a second end. The hinge mechanism may be located on each end of the inner portion. The linkage mechanism may be connected to the hinge mechanism, wherein the linkage mechanism may the said cover towards and away from the aperture. The cover and the linkage mechanism may be rotated into and stored within the body when the cover is not sealing the aperture in a closed position.