Subaru Impreza Manuals 2015 Impreza Owner's Manual | Page 464

8-10 Driving tips/Winter driving vehicle control. 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 Before driving in cold weather, make sure the wiper blades are not frozen to the windshield or rear window. If the wiper blades are frozen to the windshield or rear window, perform the following procedure. . To thaw the windshield wiper blades, use the defroster with the airflow selection in “ ” and the temperature set for maximum warmth until the wiper blades are completely thawed. Refer to “Climate control” F4-1. . If your vehicle is equipped with a wiper deicer, use it. It is helpful to thaw the windshield wiper blades. Refer to “Defogger and deicer” F3-109. . To thaw the rear wiper blade, use the rear window defogger. Refer to “Defogger and deicer” F3-109. 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” F3-99. 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 dr