Insurance companies vary on if an incident like a seat belt violation will affect your rates or not. If it is the only offense you have on your record, typically it would not affect your rates.

The penalty from California for being an unbuckled passenger is a fine of not more than twenty dollars (plus court fees) for the first offense, and a fine of not more than fifty dollars for each subsequent offense. In lieu of any fine or penalties the court can order the person convict of a first offense to attend traffic school.