I'm in software development, so I hear ya.....she probably has an iPhone and/or metal very nearby in that big purse of hers. Would a bunch of keys attached to the fob screw with the RFID?

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2010 Specialized Epic Carbon Comp XX
1976 FJ40 Toyota Landcruiser (SOA,350ci sbc V8 crawler)
2007 X5 4.8i
2008 Porsche Cayenne Turbo S