An interior lamp is provided for illuminating an interior of a vehicle having a glass surface, particularly a glass roof. The connector includes a manifold with four ports. The fan blades are powered by a motor inside the shroud. to produce a pre-reacted additive mixture, and adding the pre-reacted additive mixture to a fully formulated engine oil not containing ZDDP. Another improvement includes a counter-wound coil structure, which may either expand or contract as the drive cable is being rotated to strengthen the drive cable. There is at least one quasi point light source, the optical axis of each being coincident with the optical axes of the surfaces.