Quote:
Originally Posted by Tim C
That they turn on by themselves is only half the story really.
They also vary their speed (and intermittent interval) dependent your speed and the amount of water on the screen.
So there's always enough wiper action without any nasty dry scraping across the screen.
If something splashes you coming the other way they'll immediately go to warp speed leaving your finger free to carry on with what it was doing  .
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I have now had 4 different makes of car with intermittant auto wipers and they all do the same thing which is basically quite annoying. You get very light rain and if you are going at speed it sets off the wipers but there is not enough rain on the screen to stop it from scraping the wiper blades across the screen
In intermittent mode find they either go too fast when they don't need to or they go too slow when they need to go faster.

