When Car battery Light Goes On ~ How?

I went to take my car behind my office and planning to drove to Maxis Centre to pay my bill during lunch time hour today. When i started my car, i found that my car battery light goes on. I still can remember that once upon a time, my car battery light on and at last i cannot start my car.

So just now when i saw the light was on, i quickly off my radio and air-conditioning (Don't assume that the light is broken. It's possible, but unlikely. ). At the moment, we are not encouraged to turn the engine off and on. It is because starting car uses more of the battery's charge. After that, i drove to a mechanic to do an alternator output test.

How if the auto repair shop is not near to your location when your car battery goes on? First of all, look for the battery cable ends, clean it if it is full of powdery corrosion. Also, ensure the cable ends are tight and secure at both ends and the connections at the back of the alternator are secure.