2011 Lexus RX 350 Owners Manual - Page 547

4-3. Do-it-yourself maintenance Washer fluid If any washer does not work or the warning message appears on the multi-information display, the washer tank may be empty. Add washer fluid. CAUTION n When adding washer fluid Do not add washer fluid when the engine is hot or running as washer fluid contains alcohol and may catch fire if spilled on the engine etc. 4 NOTICE Maintenance and care n Do not use any fluid other than washer fluid Do not use soapy water or engine antifreeze instead of washer fluid. Doing so may cause streaking on the vehicle's painted surfaces. n Diluting washer fluid Dilute washer fluid with water as necessary. Refer to the freezing temperatures listed on the washer fluid tank. 477