Today’s automobiles especially Europeans are manufactured with intricate interrelated systems. These systems are considered on-board computers that constantly monitor as well as store details concerning the performance of the lorry. An alerting light comes on due to the fact that the ECU (Engine Control System) “main computer” has picked up a signal from one of the systems or parts that has actually gone beyond its typical operating range. The computer then sends a signal to activate the control panel light to let you know something is wrong!
