Washer liquid supply system

A washer liquid supply system, comprising:

• a washer tank mounted on a vehicle to store washer liquid;
• a supply section mounted on the vehicle to supply the washer liquid in the washer tank to an object of the vehicle;
• a heat-retaining tank mounted on the vehicle and disposed between the washer tank and the supply section to temporarily store the washer liquid supplied from the washer tank to the supply section;
• a delivering section mounted on the vehicle to deliver the washer liquid stored in the washer tank to the supply section through the heat-retaining tank;
• and
• a control section that controls the delivering section,
• wherein the heat-retaining tank includes a liquid-amount detecting section detecting a liquid amount of the washer liquid in the heat-retaining tank;
• wherein the control section controls the delivering section to temporarily increase a delivering amount of the washer liquid at an initial time of supplying the washer liquid, and sets an increase amount of the delivering amount for temporarily increasing the liquid amount of the washer liquid in the heat-retaining tank on the basis of the detection result of the liquid-amount detecting section.