Check the condition of the wiper blades. If they are cracked or show any signs of deterioration, or if the glass swept area is smeared, renew them. For maximum clarity of vision, wiper blades should be renewed annually, as a matter of course.
Front wiper blades
Fold the wiper arms away from the windscreen.
Do not attempt to fold the arms away from the windscreen when they at not at the vertical position, otherwise damage to the bonnet may result.
Position the blade at 90° to the arm...
. . . and slide it from the arm.
Rear wiper blade
Pull the blade away from the screen, rotate it 90°, depress the clip and slide it from the arm.