1999 Subaru Legacy Owner's Manual - Page 135

Instruments and controls the wiper operation is jerky, clean the outer surface of the windshield (or rear window) and the wiper blades using a sponge or soft cloth with a neutral detergent or mild-abrasive cleaner. After cleaning, rinse the windshield and wiper blades with clean water. The windshield is clean if beads do not form when you rinse the windshield with water. D If you cannot eliminate the streaking even after following this method, replace the wiper blades with new ones. Refer to the Wiper Blade Replacement section (chapter 10) for replacement instructions. J Windshield wipers and washer switch B Windshield wipers OM-H0363 To turn the wipers on, push the wiper control lever down. INT: Intermittent LO : Low speed HI : High speed To turn the wipers off, return the lever to the "OFF" position. - CONTINUED - 3-19