Windshield washer fluid is often overlooked but considered very important the moment you need it. Your windshield is your window to the road ahead and at highway speeds, a dirty windshield can make for a hazardous drive. Have you turned on your wipers, pressed the windshield washer trigger only to find it's empty? Or maybe it isn't empty but whatever you had in there only made matters worse by smearing and adding dangerous glare (especially when driving directly towards the sun). The good …