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by Tom Harris

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Please copy/paste the following text to properly cite this HowStuffWorks article:

Harris, Tom.  "How Car Alarms Work"  02 August 2001.  HowStuffWorks.com. <http://auto.howstuffworks.com/car-alarm.htm>  11 February 2012.
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Be Your Own Mechanic

Car Maintenance Videos
Car Maintenance Videos
Inside this Article
  1. Introduction to How Car Alarms Work
  2. Car-alarm Door Sensors
  3. Car-alarm Shock Sensors
  1. Car-alarm Window and Pressure Sensors
  2. Car-alarm Motion and Tilt Sensors
  3. Car-alarm Alerts
  4. See more »
    1. Car-alarm Transmitters
    2. Lots More Information
    3. See all Options articles

Lots More Information

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Inside this Article
  1. Introduction to How Car Alarms Work
  2. Car-alarm Door Sensors
  3. Car-alarm Shock Sensors
  4. Car-alarm Window and Pressure Sensors
  5. Car-alarm Motion and Tilt Sensors
  1. Car-alarm Alerts
  2. Car-alarm Transmitters
  3. Lots More Information
  4. See all Options articles
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Prices: Car Alarms

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