System to reduce the amount of NOx in exhaust gases of a vehicle. The tactile elements provide tactile feedback to the user that is synchronous with the display on the display screen. The pole base assembly also includes a pole unit including a spiral flange inclined to the pole base to be in a horizontal direction to the read surface of the head drum, to guide the tape entering the head drum to be inclined at a predetermined angle and positioned in the horizontal direction to the read surface. At least one hard insert is bonded to the metal segment proximate the shank, wherein the insert has a hardness greater than 60 HRc.