???? How are the lights auto and the wipers not?
The lights use a sensor to determine when they turn on and off.
The wipers use a sensor to determine when they turn on and off and the speed of operation mode.
The same arm is used on cars with and without the rain sensor.Auto lights will come on when it gets dark, so you don't have to turn the switch. Simple.
However, the first stage of the wiper is not so much an Auto mode as one which either uses the top switch to change the frequency OR the top switch to change the sensitivity of the rain sensing wiper mode. So, to my mind this wiper arm is ALWAYS off unless it starts to rain.
I have no idea how you get to that conclusion when everything says you leave it in the auto position.Then if it does, I put it to the first position and adjust the rain sensor sensitivity so it only sweeps when there is x amount of water on the screen. Thus if it changes intensity, the wipers keep up. If I had a manual (non-rain sensor car) then it would sweep with the same frequency every time regardless of the amount of rain.
Thus the rain sensor was not intended to be an automatic position, but one that changed the frequency of the wiper sweeps depending on the amount of rain. Thus if it was not raining, the wiper arm should be turned off.
What about the auto window up and sunroof closing? This requires the switch to be in the auto position.
That's all very well and fine but completely pointless for the others that actually want to have automatic wipers and have that benefits that they offer.Thus in my book it would always be better to have the wipers off until needed to avoid any issues, and not consider them an 'Auto' position...
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