1999 Subaru Impreza Owner's Manual - Page 127

To turn the wipers off, return the lever to the "OFF" position. B Mist (for a single wipe) For a single wipe of the wipers, pull the lever toward you. The wipers operate until you release the lever. B Washer HS0061 To wash the windshield, push the washer button at the end of the wiper control lever. The washer fluid sprays until you release the washer button. The wipers operate while you push the button. J Rear window wiper and washer switch (Wagon only) D In freezing weather, be sure the wiper blade is not frozen to the rear window before operating the rear wiper. Attempting to operate the wiper while the blade is frozen to the rear window could cause the wiper motor to burn out. If the wiper blade is frozen to the rear window, turn on the rear window defogger and wait to melt the frozen wiper blade from the rear window before operating the rear wiper. D If the wiper stops during operation because of ice or some other obstruction on the rear window, the wiper motor could burn out even if the wiper switch is turned off. If this occurs, promptly stop the vehicle in a safe place, turn the ignition switch to the CAUTION 3-22