To maintain visibility and safety on the road, you need to have your wiper blades in good condition. This is an easy fix, in 10 minutes or less that can be life saving.
Plan to change your wiper blades every year or twice a year if you drive in harsh weather conditions.
To get the best performance from your blades, never run them while your windshield is covered with ice. Doing so will quickly and significantly reduce their cleaning capabilities, leaving behind noticeably patchy or streaky areas. Ultimately your blades will be ruined and your visibility limited.