such kind of exposure to water momentarily stalls the car ...as soon as the water droplets get evaporated (hence plugs getting dry once again) the car is back to normal (u gotta wait no more than 5-6 minutes)......its not a serious problem...but still u know...any protective shield (be it this new designed jaali, or a slotted metalic plate, or even a plastic lafafa) saves you from the anguish of being stalled in the middle of the road in rain 