If the lights get left on and the battery gets drained all the way down, you might be able to jump it to get it home but the battery won't be fully charged. It's best to put a battery charger on the car and top off the power so you have the confidence to drive the car without the concern of a dying again.

automatic battery charger: https://amzn.to/2Uh054L
wheeled automatic battery charger: https://amzn.to/2Uh054L

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