2009 Toyota FJ Cruiser Owners Manual - Page 328

4-3. Do-it-yourself maintenance Washer fluid If any washer does not work, the washer tank may be empty. Open the lid. Add washer fluid. CAUTION n When refilling the washer fluid Do not refill the washer fluid when the engine is hot or running, as the washer fluid contains alcohol and may catch fire if spilled on the engine etc. 302