For example, the optimized engine Auto Start Stop feature now turns the engine off earlier while coasting to a stop.

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The 2013 Kia Rio, for instance, joins the BMW 3-series and Porsche Cayenne in offering a start-stop engine.

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The Delphi connectivity system's key fob service operates over the Verizon Wireless network or via Bluetooth to remotely lock or unlock doors, open the trunk, start or stop the engine and operate a panic horn on select vehicles.

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