The work of a Service Technician has evolved from simply mechanical to a high end technology based field. Must be familiar with the integrated electronic systems and complex computers that run today's vehicles and measure their performance while on the road. Works with electronic diagnostic equipment and computer-based technical reference materials. Use high-tech skills to inspect, maintain and repair automobiles and light trucks while maintaining skills with traditional hand tools. Test drive vehicles and use a variety of testing equipment such as on-board and hand-held diagnostic computers and compression gauges to identify the source of the problem at hand. Test and lubricate engines and other major components and repair or replace worn parts before they cause breakdowns that could damage critical components of the vehicle.