Rogues are very keen in their profession, and know already much more than we can teach them respecting their several kinds of roguery. — Rudimentary Treatise on the Construction of Locks, Charles Tomlinson (ed.), 1853. Now as then, the black hats are far ahead of us. Here is a sampling of articles: “Keeping Your Car Safe From Electronic Thieves,” New York Times, April 15, 2015. “Watch This Wireless Hack Pop a Car’s Locks in Minutes,” Wired, August 2014. “Car Theft by Antenna,” MIT Technology Review, January, 2011. To make attacks like these more difficult, you can activate the Electronic Key Battery-Saving Function (see the Owner’s Manual) on any electronic keys that aren’t in regular use, and as noted in the first article, keep the other electronic keys in a Faraday cage.