the battery light means that your battery is being charged properly. so let it light.
If the battery light comes on when you try to start your car, either your battery is low or your alternator is going bad. These can be checked by going to an Advance Auto or Auto Zone, they will test it for you for free.
Most cases the battery light comes on because the alternator isn't charging. The alternator may need replaced as well as the battery. It may be something more simple as a poor connection.
have your alternator check. It is like that for most car. It is not the battery's fault. But you could have a lose connection to your battery.
Your alternator is not keeping the battery charged.
Alternator isn't charging enough soon batt will die from undercharging
You can put in a new battery in the car. Then press down on the maintenance button so that the battery light comes on. You will then have it reset and ready to go.
have the alternator circuit checked
because the voltage the car battery can supply is not sufficient to start the car engine but the light demand little voltage to be lighted' by GARIBA MOHAMMED-SUNYANI POLYTECHNIC/GHANA
That light doesn't mean that your battery needs to be replaced. It means that your battery is not being charged while the car is running. Have your alternator tested.
replace the alternator