What is the sign that the oil needle on the car is bright?

Lock "ACC" at the "start". According to the information about the ignition sign, the ignition sign of the oil needle of the automobile is lock, lift, open and start, and the symbol of the automobile ignition device is marked with the sign of lock, lift, open and start on the ignition switch. Vehicles started with a button are only printed with the start symbol. The main components of automobile ignition device are composed of battery or generator, ignition coil, distributor, ignition switch, spark plug and related regulating circuits. The working principle of automobile electronic igniter, that is, electronic 4 ignition system, is that when the engine is working, ECU determines the best ignition advance angle and power-on time according to the signals received from various sensors and the relevant programs and data stored in the memory, and sends instructions to the igniter accordingly. The igniter adjusts the on-off of the primary circuit of the ignition coil according to the instruction.