Left. Right. Wedge bolt. A bolt used to attach the blind spot detection warning sensor to its mounting point. A screw that is used to secure the Instrument Panel Knee Bolster to it's mounting point. A threaded rod with a drive head (such as hex, 12 point, torx, etc.) on one end used to secure the Liftgate Wedge to it's mounting point. Blind Spot Detection System Warning Sensor. Blind spot radar. Head - up display. Instrument Panel Knee Bolster. Liftgate Bumper Stop. Wedge.