The windshield wiper and blade assembly should be check regurlarly for sign of damages, loose parts, cracks or wear on the blade element. Anyone familiar with road film will know that it can accumulate on the wiper blades and reduce the performance of the same, the wiper blades ought to be washed with a mild detergent solution on a regular basis. The wiping mechanism moves in a manner that may vibrate loose bolts, nuts and any fasteners that may be holding it and therefore these should be checked and tightened as when carrying out a wiper blade inspection. If these wiper blade elements include cracks, wear, warts or are not cleaning adequately they should be removed and replaced with new ones. To remove the wiper blade assembly one needs to lift the arm assembly back to clear points then press on the release lever, and slide off the wiper blade assembly from the hook provided at the end of the arm. To lock the blade holder, push the release pin and pull the wiper blade towards the arrow, to unlock the holder. Last of all, locate the pin in the new wiper arm and fix it on the arm, and when it clicks, the wiper is ready to be used.