Subaru Legacy Manuals 2023 Legacy Owner's Manual | Page 549

Replacement of Wiper Blades 541
one used previously , purge the old fluid from the piping between the windshield washer tank and washer nozzles by operating the washer for a certain period of time . Otherwise , if the concentration of the fluid remaining in the piping is too low for the outside temperature , it may freeze and block the nozzles .
CAUTION
. Adjust the washer fluid concentration appropriately for the outside temperature . If the concentration is inappropriate , sprayed washer fluid may freeze on the windshield and obstruct your view , and the fluid may freeze in the windshield washer tank .
. State or local regulations on volatile organic compounds may restrict the use of methanol , a common windshield washer antifreeze additive . Washer fluids containing non-methanol antifreeze agents should be used only if they provide cold weather protection without damaging your vehicle ’ s paint , wiper blades or washer system .
11-19 . Replacement of Wiper Blades
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Grease , wax , insects , or other material on the windshield or the wiper blade results in jerky wiper operation and streaking on the glass . If you cannot remove the streaks after operating the windshield washer or if the wiper operation is jerky , clean the outer surface of the windshield and rear window using a sponge or soft cloth with a neutral detergent or mild-abrasive cleaner . Do not , however , use detergent to clean the blade rubbers . Use only a sponge or soft cloth ( and no neutral detergent or mild abrasive cleaner ) when you clean the blade rubbers . If you wipe the rubber of the blade strongly , the black coating component will peel off , which will cause the wiper to judder . Also , after wiping it off , check that the rubber has not come loose . After cleaning the window glass and wiper blade rubbers , be sure to rinse them with clean water . Rinse the window until the water does not form beads on the glass . This indicates that the glass is clean .
CAUTION
. Do not clean the wiper blades with gasoline or a solvent , such as paint thinner or benzine . This
will cause deterioration of the wiper blades .
. When you wish to raise the passenger-side wiper arm , first raise the driver-side wiper arm . Otherwise , the passenger-side wiper assembly and driver-side wiper assembly will touch each other , possibly resulting in scratches .
. Return the passenger-side wiper arm to its original position before returning the driver-side wiper arm to its original position . Otherwise , the passenger-side wiper assembly and driver-side wiper assembly will touch each other , possibly resulting in scratches .
. When returning the raised wipers to the original positions , return the wipers slowly on the windshield by hand . Returning the wipers from the detached positions by the spring operation might change the shape of the wiper arm or scratch the windshield .
. While removing the wiper blades from the wiper arms , do not return the wiper arms to the original positions . Otherwise , the windshield surface may be
Maintenance and Service
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