Any operator of any passenger vehicle operated on a public street or highway in this state, who is at least fourteen years of age and under eighteen years of age, shall wear a properly adjusted and fastened safety seat belt system, required to be installed in the passenger vehicle if manufactured pursuant to Federal Motor Vehicle Safety Standard Number 208 (49 C.F.R. 571.208) in effect January 1, 1989, at all times when the vehicle is in motion. A violation of this section is a petty offense.