anybody know what this symptom...as i drive with aircond on and stop at kedai mamak to tapau makan...suddenly the batt warning light and also on the left one i dun no the name of the sign but the sign look likes heat....is turning to on and my radio stop sounding...its like the electrical not enough supply...but the engine still running only it idle at the very low rpm...when i switch the aircond off the warning light also off and my rpm back to normal also radio singing again...anybody exp this b4??can share with me or any sifus can help me solve this....