Umsebenzi ophambili we-Rod Wiper kukugcina intonga kunye ne-cylinder zicocekile kwaye zikhululekile kwizinto zangaphandle;ngaloo ndlela kuthintela ukusilela kwangaphambi kwexesha.I-Rod Wiper ayisiyonto yokutywinwa koxinzelelo, kodwa inqanda iziphumo ezinokuthi zibe nesiphumo sokuba ungcoliseko lufikelele kwindawo yokutywinwa kunye nezinto ezithwele intonga.