Battery problems with Honda Civic

My Honda Civic 1.8 auto (2010) unexpectedly suffered a flat battery and the garage could find nothing wrong. Ten days later it happened again. The garage says it may be the alarm system which will cost £300 to replace. Any idea as what the problem might be?

Asked on 26 February 2015 by Hugh Read

Answered by Honest John
More likely to be the interior light dimmer switch. Try switching it off altogether. I had that problem with a Toyota and every Toyota and Honda rental car I ever hire comes with the interior light switched off.
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