This provides the added advantage of not having to build an ignition system into the rocket.

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The laser ignition system has yet to be installed in an automobile, but the team is working with several Japanese companies to take that next step.

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At issue is a worn part in the ignition system that can allow the ignition key to be removed without the transmission being shifted into Park.

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Features included a heads-up display with night vision, a DNA-based entry and ignition system, body panels that changed color on the driver's command and an "auto valet" feature that let the car drop off its owner then park itself for recharging.

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Cadillac superserves drivers in a hurry with its optional Easy Key system, enabling passive vehicle and trunk entry and keyless ignition via a personalized keyless fob.

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That led to an ignition failure when the key was turned and had the potential to set the system catching fire, according to the Hartford Examiner.

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