My opinion, formed/based on comments from a couple guys I have ridden with, if it is any hassle at all to correct to the switch, just leave them on all the time. It will help you be seen. That was the likely motivation for the previous owner. Just a thought.
‘18 K16GT Option 719 Blue Planet Metallic with matching BMW top-box, Bomber Brown RDL, Denali D7s, Ilium f&r bars with highway pegs
IBA # 63673
‘14 FJR-ES Candy Red (sold)
‘83 CB1100F Blue White & Red (in a garage);
‘83 CB1100F Red White & Black (in a shed);
‘76 CR125 Elsinore Red (sold);
‘73? CB125S Torquoise (sold)