I have a 2006 honda odyssey touring and was wondering if anybody knew how long one could play the radio before the battery won't turn over the motor. My problem is that I often find myself waiting for my wife whilst she spends money. I can remember a time when playing the radio would run out the battery. Hopefully that would not happen with this car (its rarely more than 1 hour). I have read the manual but cannot find any reference to this.

Thank you.........