2010 Toyota Yaris Owners Manual - Page 660

4-3. Do-it-yourself maintenance NOTICE n When recharging the battery Never recharge the battery while the engine is running. Also, be sure all accessories are turned off. Washer fluid If any washer does not work or the low washer fluid warning light comes on (if equipped), the washer tank may be empty. Open the lid. Add washer fluid. 244