Dead battery for no apparent reason. Suggestions?

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Asked by teather1933 Oct 29, 2011 at 05:45 PM about the 2011 Hyundai Genesis 4.6L

Question type: Maintenance & Repair

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Michael answered about a year ago

On a car this new?...Do you have a car charger for your cell phone that you leave plugged in at all times? Some cars constantly supply power to these even when the car is off. That can quickly kill a battery.

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James answered about a year ago

just a question for you.. if you lock the doors is the alarm setting? i have only seen this problem on genesis that have had the rubber stop for the hood switch either removed or not installed when new. this keeps the cars computer "awake" and acts as a draw on the system.

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