DETROIT — Eaton Corp. and Oakland University demonstrate here a way to use radio frequency (RF) devices to control electrical features such as power windows and mirrors in a demonstration DaimlerChrysler Jeep Grand Cherokee. The setup has the potential to cut warranty costs to $300 per vehicle — from up to $1,200 today — and trim millions off engineering, development and validation costs, says the program's director, Patrick E. Dessert. Use of RF nodes to control in-car features would ...

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