Automatic indicators of low pressure in vehicle tyres; Computerized vehicle engine analyzers; Electric navigational instruments; Electronic navigational and positioning apparatus and instruments; Electronic signaling mechanism, namely, a train control system used in the railway industry for detecting and controlling trains, ground faults, broken rails, power failures, track switches and lights; Flashing safety lights; Mechanical and electronic measuring machines for identifying and analyzing structural damage to vehicles; Motorcycle charger fault detector; Radar object detectors for use on vehicles; Security control panels and motion detectors; Tool measuring instruments; Ultrasonic object detectors for use on vehicles; Vehicle breakdown warning triangles; Vehicle safety equipment, namely, electronic tire pressure monitors; Vehicle safety equipment, namely, electronic vibration, shock, motion, angle, temperature and voltage monitors; Vehicle location detection system comprised primarily of display monitors, computers, image sensors, and video cameras; Driver impairment detection device in the nature of a fingerprint recognition scanner that activates a timing mechanism to determine the driver's fitness to drive the vehicle