When your generator or electrical charging system, including your battery, are experiencing problems, this light will come on. Charging system issues can be serious, so make sure you bring your vehicle in for a check-up if you see this warning.
Is your oil pressure too low? If it is, the engine oil pressure warning light will come on to warn you. To avoid serious damage, pull over right away if this light comes on. You may be low on oil, or the light may indicate a more serious problem.