An electronic device with a display and a touch-sensitive surface displays a character selection element for navigating a list of identifiers. The beam swapping element is designed and positioned such that the first and second beams of light swap positions upon reflection from the reflective surface and trace out the other’s optical path. At least a pair of the lug nuts of the vehicular wheel are to be removed and replaced with elongated internally threaded sleeves which are substantially longer in length than the lug nuts. After completing the option ROM update, the option ROM updater locks write protection of the option ROM to maintain system security. However, the environment is hot, often exceeding 400 degrees F. At least one conductor and support member are positioned within the channel to substantially resist deformation of the outer sheath.