Battery being drained

The battery on my Renault Megane is being drained, and mechanics confirmed that there were no faults with the car or battery. Could the problem be due to the radio, should it still be lit when I take the keys out of the ignition?

Asked on 13 October 2011 by stoph

Answered by Honest John
Yes. Always switch off the radio before you switch off the ignition.
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