Window washer light on a 99 Lexus es300?

The window washer light on a 1999 Lexus ES300 indicates that the windshield washer fluid reservoir is low and needs to be refilled. The reservoir is located under the hood of the car, near the windshield wiper fluid reservoir. To refill the reservoir, simply open the cap and pour in washer fluid until the reservoir is full. Be sure to use a washer fluid that is specifically designed for automotive use.