Abstract: An axle assembly having a shift collar and a sensor. The shift collar may be rotatable about a first axis and moveable along the first axis. The sensor may detect detection features associated with the shift collar and provide a signal that may be indicative of rotation of the shift collar about the first axis and positioning of the shift collar along the first axis.

Abstract: A system and computer implemented method for directing an automobile mechanic to a user comprises a memory unit to store a database comprising one or more records associated with at least one automobile mechanic, and a set of program modules. The system further comprises a processor to execute the set of program modules. The set of program modules comprises a location detection module, a mechanic availability module, a mechanic selection module, and a communication module. The mechanic availability module is configured to determine availability of the automobile mechanic in a vicinity of a location of the user. The mechanic selection module is configured to assign the automobile mechanic to the user. The communication module is configured to request the automobile mechanic to provide the repair service to the user, thereby directing at least one automobile mechanic to the user.