Use the wiper washers until empty with the old wipers on.
Put Bosch Icon or Valeo Ultimate (silicon) blades on.
Fill windshield washer reservoir with de-icer.
Forget about both for like 3 or 4 years.
Repeat.
Put Bosch Icon or Valeo Ultimate (silicon) blades on.
Fill windshield washer reservoir with de-icer.
Forget about both for like 3 or 4 years.
Repeat.