what turns the battery light on while driving
If the battery light comes on while driving, it means the alternator is not producing electricity and thus the car is running only on battery power. The safest thing to do when this light comes on is to pull over safely and try to locate the problem. Continue Reading. Credit: Comstock Stockbyte Getty Images.
Engine Oil Pressure Warning Light. This light should illuminate when the ignition is turned on and should turn off as soon as the engine starts.If the light stays on after starting or illuminates while driving, stop immediately, turn off the engine and check the engine oil level. Add oil immediately if the level is low.