2009 Lexus GS 450h Owners Manual - Page 510

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 refilling the washer fluid Do not refill the washer fluid when the hybrid system is hot or operating, as the washer fluid contains alcohol and may catch the fire if spilled on the hybrid system etc. 4 Maintenance and care NOTICE 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. 451 GS_HV_U (OM30B44U) March 8, 2010 10:03 am