Abstract: According to the invention, an aperture is provided in the roof panel including a central opening and a plurality of slot portions radiating outwardly from the central opening and each such slot portion being defined by spaced apart side walls an end wall. The headliner has upper and lower surfaces and an aperture adapted to register with the roof panel aperture. A retention clip of stamped spring steel engages with the upper surface of the headliner and has a central body either a central aperture registering with the headliner. The sun visor has a mounting bracket which engages with the lower surface of the headliner. Screws are installed through the mounting bracket and into the retention clip so that the headliner is captured between the mounting bracket and the retention clip. The retention clip has a plurality of spring legs which radiate from the central body and are bent to project upwardly from the central body and have ends bent backwardly and terminating in a shoulder structure.