Global positioning system (GPS) users, be warned—Ford has its eyes on you.

A top executive at the car maker told a panel discussion at the CES trade show in Las Vegas that the tracking system installed in cars allows Ford to know when drivers are speeding—and where they are when they do it, according to a report in Business Insider.

Ford's global vice president of marketing and sales, Jim Farley, said that the No. 2 U.S. automaker knows "everyone who breaks the law, we know when you're doing it. We have GPS in your car, so we know what you're doing," according to the report. "By the way, we don't supply that data to anyone."

He added that there might be a day when data might be used anonymously, and as part of ways to help marketers with traffic-related problems.

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--By CNBC