Should the government step in to prevent hot car deaths?

CNN) -- While the case of the Georgia father accused of intentionally leaving his toddler son to die in a hot car continues to grip the nation, it has also sparked a debate about whether more could be done to prevent the accidental deaths of children from heatstroke inside a car.

Is it an issue for the automakers to tackle voluntarily? Should the federal government mandate a driver-reminder alert? Is it solely a matter of parental responsibility? Those are just some of the questions parents across the country, experts and public officials are asking.

Today, in most new cars, you hear an alert if a driver or passenger is not wearing a seat belt or if you leave the key in the ignition when you get out of the vehicle.