Wiper mode switch issue

[Dr. Spaceman]

Has anyone ever encountered a wiper (summer/winter) mode switch that is "loose" or, overly sensitive?

The rocker on mine is very easy to move, and often gets tripped by the slightest bump. Pulling into the driveway, closing the hood, pot holes, railway tracks, and, even switching the mode myself; all make the wipers do their "seasonal change sweep". Aggravatingly, when I move the switch, it takes a couple of tries (and sweeps) before it finally settles on the position I selected.

Has anyone else experienced this?