There is no button to operate the headlight wipers. The headlights washers and wipers are activated along with the windshield wipers when you use the windshield washer by pulling the wiper switch towards you.
To fix windshield wipers on a Volvo 940 try using new wiper fluid and cleaning the windshield and wiper blades before you replace the blades. It is also important to replace wiper blades regularly.
volvo was not the first, it was Saab.
the fuse box in under the hood on the drivers side up close to the windshield
Your headlight wipers should come on when you spray your windshield washer fluid.
To turn on the headlight wipers on a Volvo S80, first ensure that the headlights are activated. Then, pull the wiper stalk towards you (the same stalk used for the windshield wipers) to activate the headlight wipers. They will operate in conjunction with the windshield wipers when the headlights are on and conditions require cleaning. If the headlight wipers do not activate, check that the wiper system is functioning correctly and that the wiper fluid reservoir is filled.
the first windshield wipers costed round 50 cent to 1 dollar.
Windshield wipers don't work
We have a 2002 S-80. The headlight wipers work automatically when you use your windshield washer fluid to wash your windshield.
Why are there windshield wipers inside the car?
Replace the windshield wipers.
Mary Anderson invented windshield wipers in 1903.