The windscreen and headlamp washers share a common reservoir.
Important
Use Volvo genuine washer fluid or equivalent with a recommended pH of between 6 and 8, in working dilution (e.g. 1:1 with neutral water).
Important
Use washer fluid with antifreeze during the winter to avoid freezing in the pump, reservoir and hoses.
For capacities, see Washer fluid - quality and volume.