Advances in technology and their incredibly fast pace have meant that features that were hitherto reserved only for luxury vehicles are now moving into cars that are well within the reach of the masses. Automatic rain sensing wipers are one among many similar features that are available on today's cars. They work with the help of a sensor and hence do not require any human intervention to start working. But if you're wondering about how exactly they work and how useful they exactly are, here's a handy little guide for you.
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Any set of wipers serves the basic purpose of clearing water or dust from the windscreen to achieve better visibility. A number of cars these days also have wipers on the rear windshield as well to give you a clearer view of the cars behind you. Wipers are essential when you're driving in the rain and also when you wish to clear dust from your windscreen. Traditional wipers need to be turned on manually and you also need to control their speed manually.
Automatic rain sensing wipers outsource all that work to sensors. When these sensors sense that there is rainfall on the windshield, they automatically start working. They even have the ability to change their speed in accordance with the amount of rain that's pouring onto the car. They hence let you drive without any worries, providing you with as much visibility as possible at any given moment.
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Most of the automatic wipers available these days make use of infrared sensors that are hidden behind the windshield of the car. When the rain starts pouring in, the infrared light that usually gets reflected back to the sensor gets interrupted and this lets the wipers know that it's time for them to turn on. Beaming this infrared light at different angles allows the wipers to find out the intensity of the rain that's hitting the windshield. So, the more the rain, the less the light is reflected. That's how these automatic wipers know what speed they should be cleaning the windshields with.
Such wipers take your mind away from the process of controlling the wiper. That means everything from turning them on to adjusting their speed is taken care of by the car itself. Not only does this lead to convenience but it also contributes to overall safety by allowing you to concentrate more on your driving, which is highly important if you're driving in heavy rains. And the fact that these wipers are able to change their speed based on rain intensity also means that at any given moment, you can expect maximum visibility of the road.
Automatic rain sensing wipers work great with automatic headlamps so do look out for both these features when you're making your next car purchase.
