Tesla CEO Elon Musk speaks during an event in Fremont, Calif., to launch the new Tesla Model X Crossover SUV. Justin Sullivan/Getty Images hide caption

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Hackers say they took control of a Tesla Model S through the car's computers. Tesla Motors says it is updating its systems with a patch to fix the vulnerability. Tesla Motors hide caption

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A photo released by Tesla shows its new Powerwall lithium-ion battery pack mounted on the wall (left) of a garage behind one of the company's electric cars. Tesla Energy hide caption

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Tesla Motors has outsold several luxury carmakers in California in 2013, on the strength of its Model S, seen here in the foreground. The Telsa Roadster is behind it. James Lipman/Telsa hide caption

itoggle caption James Lipman/Telsa

Elon Musk's "Hyperloop" vehicle. Elon Musk hide caption

itoggle caption Elon Musk

A Tesla Model S drives outside the Tesla factory in Fremont, Calif., on June 22. The electric car was named Automobile of the Year by Automobile Magazine and Car of the Year by Motor Trend. Paul Sakuma/AP hide caption

itoggle caption Paul Sakuma/AP