THE BULKY SIDE MIRROR ON THE DRIVER'S SIDE CREATES A SAFETY HAZARD WHEN MAKING A LEFT HAND TURN BECAUSE OF A LARGE BLIND SPOT. I WAS INVOLVED IN AN ACCIDENT DUE TO THAT VERY REASON. I WAS MAKING A LEFT HAND TURN AS DESCRIBED ABOVE. I CHECKED FOR ONCOMING TRAFFIC SEVERAL TIMES AND TURNED WHEN I SAW TRAFFIC WAS CLEAR. I WAS HIT ON THE DRIVER'S SIDE BECAUSE MY VISIBILITY WAS BLOCKED BY THE MIRROR AND THE ONCOMING VEHICLE WAS NOT SEEN.