Why do some cars have back windshield wipers?

Rear wipers are essentially meant for vehicles with an upright rear window that collects dust, dirt, snow, etc., because of aerodynamics – the flow of air over the right angle where the roof and rear window meet creates a low pressure area that pulls that nasty stuff in and deposits it onto the surface.

Is a back windshield wiper required?

Is my rear wiper legally required to operate? Federal Motor Vehicle Safety Standards (FMVSS) specify that manufacturers must include rear wipers on all new motor vehicles sold in the United States. However, current FMVSS standards do not require that a passenger motor vehicle be equipped with a rear wiper on the road.

Why do sedans cars not have rear wiper?

Due to the designing of sedans and hatchbacks, sedan cars hardly need a wiper. The sedans get a sloped roofline and a long trunk keeping the air flowing in a way that doesn’t allow water or dust to settle, which is as opposed to that of the hatchbacks, crossovers and SUVs.

Do cars have rear windshield wipers?

The dirt and dust might be less on sedans, however rear windshield wipers are required to wipe some and water. Sedans have no rear wipers, SUVs, Minivans do have rear wipers. The slope of the sedan is generally shallow enough that air flows smoothly over the top and rear window carrying off most water and dirt.

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Why do some cars not have back windshield wipers?

Some that top the list: Lack of space to conceal a rear windshield wiper motor and washer-fluid reservoir, the added cost of the system, weight reduction considerations (to meet fuel-efficiency standards), increased drag (which disrupts aerodynamics, and once again, fuel efficiency) and cosmetic appeal.

Are rear wiper blades different?

Specific Fit wiper blades are usually Original Equipment replacements and are designed for specific vehicles. Many rear blades are unique in design and need to be replaced with this type of wiper blade.

Why do people put plastic over their rear wiper?

Because the side-brushes might catch the rear wiper and destroy it – but they can never reach the front wipers. The plastic sleeve keeps the rear wiper from getting caught (it gets too slippery).

How important is rear defogger?

And for that reason we require a rear defogger. During the monsoon, or even in winters, the rear windshield tends to fog up, which hinders visibility of the traffic or the surroundings behind. A defogger clears the mist and helps improve rear visibility.

Why do SUV have rear wipers?

SUVs have rear wipers because their rear windows have a more vertical orientation that allows for dust and debris to accumulate faster. Rear wipers are used to keep the window clear and easy to see through for safety reasons. Sedans and smaller vehicles have a sloped window that prevents this build-up.