Change when needed.
The way to help them last is to lift them from the screen when you wash the car with wax shampoo (or clean them with multisurface cleaner afterwards) and to lift them from the screen when parked during really hot weather assuming your drive isn't accessible from the we steal anything not welded in place fraternity.
They almost always park leaning one way, lift and 'park' them leaning the other way when you remember, this will help stop skidding and screeching too (this applies espacially to rear wipers), also keep that screen clean of flies and dirt, letting your blades scrape off weeks old insect squash will wear them out quickly and the oily bits of their bodies smear everything.
I keep some multisurface cleaner in a squeegy bottle in my work bag, when i'm likely to need the wipers or if the screen is dusty i spary some on whilst starting up then by the time i've opened the gates driven out and relocked the mix will have done its job, couple of wipes hery presto spotless screen.
Yes i do have a thing about clean windows and mirrors, the last close shave i had in a car was a Fiesta driver coming the other way around a left hand bend was blinded by the low sun (his filthy screen not helping, could barely see him) he was almost fully on my side of the road, it was only the 4WD grip on our Forester which allowed me to take fully to the grass verge without braking thus avoiding a serous head on crash.
Edited by gordonbennet on 24/06/2023 at 10:50
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