Car Alarm Consumer Information
According to Galt Technology, car alarms are available to deter theft with a variety of types of sensors. When the alarm is triggered, it emits a loud sound and often flashes the car's lights as well.
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Connection
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Car alarms connect to the car's electrical system, but some include a backup battery in the event that the battery has been disconnected, according to Galt Technology.
Types
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According to The Unofficial DMV Guide, types of alarms include movement sensors, door or window sensors, sensors that detect a change of pressure inside the car and tilt sensors (which detect an attempt to tow). Some systems include multiple sensors.
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Cost
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Galt Technology reports that basic systems may cost between $40 and $50 as of 2010. More expensive systems can cost as much as $195.
Installation
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Galt Technology recommends hiring a professional to ensure that your system is installed properly. Expect to pay another $40 to $50 for installation.
Tracking
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Tracking systems such as LoJack, Mobile Guardian or Smart Tracking supply extra protection for your car. According to Galt Technology, some thieves find ways around the various alarm systems. A radio-transmitted tracking system can be hidden somewhere on your car, allowing police to locate your car and recover it.
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