Breaking into a car is generally a bad idea. That said, it could potentially be necessary to gain access to your own vehicle in an emergency, and it's actually much harder than you might think since most modern cars use tempered glass, which is much harder to crack. Still, it is possible... if you know the tricks.

The clip below comes from a National Geographic program called Hacking the System: Hack Your Car that airs on February 27 at 9:00 PM EST. It shows just what it takes to get through a car window and gives a handy hint on how to breach through tempered glass in a crisis. Scroll down to check out the video, but be sure to only try it on your own car.


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    • 1 Second Ago
  • 38 Comments
      gary
      • 9 Months Ago
      If you swing a rubber mallet like a little girl it won't break a tempered glass window? Who knew?
      Rick C.
      • 9 Months Ago
      Please. I grew up in a bad area. 12 year olds knew this trick in the 80's.
      Richard Nygaard
      • 9 Months Ago
      I always carry a broken spark plug in my pocket just in case.
      aap.ptek
      • 9 Months Ago
      If I had the hammer he used to destroy the spark plug ... i'd most likely.......... just use that steel hammer ...but thats just me ..
      Jr3
      • 9 Months Ago
      People have been doing this for decades. Nothing new.
        Douglas Harry
        • 9 Months Ago
        @Jr3
        Yeah but you have to know how. And knowing is half the battle. GEEEE IIIIIIII JOOOOOEEEEEEE.
      kca124
      • 9 Months Ago
      "Most newer cars have tempered glass" All cars sold in the USA, starting in the late 1930's have tempered glass
      surfacetwoaire
      • 9 Months Ago
      OOOOrrr, you can use the metal hammer used to smash the spark plug? darn rocket scientist !
      Karl
      • 9 Months Ago
      Or, just carry a spring-loaded punch in your center console. Which is what I do.
        Walt
        • 9 Months Ago
        @Karl
        so how does having a spring loaded punch locked in your car help you?
          kp
          • 9 Months Ago
          @Walt
          i would assume so you can get out in certain types of emergencies.
          Gorgenapper
          • 9 Months Ago
          @Walt
          So he can break out of his car in the event that he wants to reverse steal it?
      Gorgenapper
      • 9 Months Ago
      Next up: How to hit water while falling out of a boat on a lake
      liam
      • 9 Months Ago
      good thing i always carry my busted spark plugs around when im robbing cars..
      Sergio Freddson
      • 1 Month Ago

      This is very good to know! Just like anything else, it could either be used for good or for evil. Breaking a window is usually a last resort, but if it has to be done, it's good to know that there is a right way to do it. Thanks for sharing this tip with us! http://www.allautoglassnj.com

      Rotation
      • 9 Months Ago
      This is a method car thieves use to break into cars, I won't get into why. Thanks for helping car thieves learn how to break into cars easier. You've really done us all a big favor. Tempered glass is not particularly hard to crack. There's really no point to this "safety tip". You're more likely to find a rock than a spark plug insulator when you need to get into your car and a rock will work quite well enough for you as the owner to get in.
        Matías
        • 9 Months Ago
        @Rotation
        As if thieves checked Autoblog or the internet to learn how to steal a car... Idiot.
          Rotation
          • 9 Months Ago
          @Matías
          I'm not talking about existing thieves.
        • 9 Months Ago
        @Rotation
        [blocked]
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