A rail car hand brake locking system utilizes a connection member and a securing body. The connection member has an aperture near each distal end. The securing body has a head end capable of securing around a portion of an actuating wheel of the hand brake and a connection end capable of securing to the connection member, which is then affixed to the hand brake housing. The system prevents unauthorized usage of the hand brake.

A stealthy transmission shift interlock solenoid kill switch system includes a first stealthy user interface being located within the vehicle and further being configured to be stealthy and hidden from a vehicle driver's line of sight, a vehicle center console transmission gear shift knob configured to operate an automatic transmission gear position of the vehicle, a vehicle power interrupt feature, an automatic transmission shift interlock solenoid switch, a controller being operably coupled to the first stealthy user interface, a brake pedal of the vehicle, and the vehicle power interrupt feature. The controller is configured to manage an operating mode of the vehicle center console transmission gear shift knob and thereby prohibit power from reaching the automatic transmission shift interlock solenoid switch so that the vehicle center console transmission gear shift knob is prohibited from being displaced out of a park position.

A biometric shifter for a vehicle includes a shifter body having an outer surface with a grip portion configured to be gripped by an operator's hand, the shifter body defining a chamber, the grip portion having an opening that communicates with the chamber, a vein reader sensor disposed within the chamber at a first distance from the opening in the grip portion, wherein the first distance is configured to optimize biometric verification of an operator's hand on the grip portion of the shifter body.