Abstract: A cover for the cab portion of an automobile is provided to prevent the interior thereof from heating up when left standing in the sun. The cover comprises a four sided structure. When the cover is placed over the roof of an automobile, a tubular member on the bottom of the front portion thereof which lies over the windshield has the windshield wipers placed thereover and pockets formed on either side thereof are snugly fitted over external side view mirror units typically provided on an automobile. A rear tubular member on the bottom of the back portion of the cover which lies over the rear window is inserted into the opening provided on the hinged end of the open lift door of the trunk of the automobile. Upon pulling the rear tubular member into the trunk and then closing and locking the lift door, the cover is tautly held over the roof in a secure manner.