Subaru Forester Manuals 2023 Forester Owner's Manual | Page 405

Winter driving 399
CAUTION
Avoid prolonged continuous driving in snowstorms . Snow will enter the engine ’ s intake system and may hinder the airflow , which could result in engine shutdown or even breakdown .
! Wiper operation when snowing
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Before driving in cold weather , make sure the wiper blade rubbers are not frozen to the windshield or rear window .
If the wiper blade rubbers are frozen to the windshield or rear window , perform the following procedure .
. To thaw the windshield wiper blade rubbers , use the defroster with the airflow selection in “ ” and the temperature set for maximum warmth until the wiper blade rubbers are completely thawed . Refer to “ Climate control ” FP255 .
. If your vehicle is equipped with a wiper deicer , use it . It is helpful to thaw the windshield wiper blade rubbers . Refer to “ Defogger and deicer ” FP251 .
. To thaw the rear wiper blade rubbers , use the rear window defogger . Refer to “ Defogger and deicer ” FP251 .
When driving in snow , if frozen snow starts to stick on the surface of the windshield despite wiper operation , use the defroster with the airflow selection in “ ” and the temperature set for maximum warmth . After the windshield gets warmed enough to melt the frozen snow on it , wash it away using the windshield washer . Refer to “ Windshield washer ” FP239 .
Snow stuck on the wiper arm prevents the wiper from working effectively . If snow is stuck on the wiper arm , pull off the road to a safe place , then remove it . If you stop the vehicle at road side , use the hazard warning flasher to alert other drivers . Refer to “ Hazard warning flasher ” FP162 .
! Lighting operation when snowing
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Check that the headlights are clean before driving . If snow , frost or ice are attached to the headlights , remove it .
If the headlights are not clean , they will not light the front normally . Also if the indicators and brake lamps are not clean , the vehicle will not be able to inform its status to other drivers and it may result in an accident .
& Corrosion protection
Refer to “ Corrosion protection ” FP442 .
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& Snow tires
WARNING
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. When replacing or installing winter tire ( s ), all four tires must be the same for following items .
( a ) Size ( b ) Speed symbol ( c ) Load index ( d ) Circumference ( e ) Construction ( f ) Manufacturer ( g ) Brand ( tread pattern ) ( h ) Degrees of wear
For the items ( a ) to ( c ), you must obey the specification that is printed on the tire inflation pressure label . The tire inflation pressure label is located on the driver ’ s door pillar .
If all the four tires are not the same for items ( a ) to ( h ), serious mechanical damage could be caused to the drivetrain of the car , and affect the followings .
– Ride – Handling – Braking
Driving tips
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