windshield wiper arm passenger side on 2000 Buick Century

driving home in snow storm and passenger side quit working , the drivers side works - cleared out all the snow and ice and still does not work what could be wrong?

1 answer
The bolt/nut for the right side wiper arm may be loose. With the wipers in the parked position, and the vehicle off, tighten the nut at the end of the wiper arm. There may be a plastic cap that needs to be removed to access the nut.