Can a kill switch protect your car from theft?

(WREG)— A recent rash of car thefts in Memphis, Tennessee, has many local drivers looking for ways to keep their rides safe. 

Eric Dooley, with 901 Sounds automotive services, says more and more people are turning to kill switches for their vehicles. He says they install about five or six a week.

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I've installed them on a couple of my trucks. I don't know if they did any good or not, it's not like anything I've ever driven would be considered a high risk vehicle for theft anyway.