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How does a key fob work?


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Answered 2007-01-12 14:22:11

On a fob, there are multiple buttons, one of those buttons unlocks the car. Another one of them locks the car. One of the buttons pops the trunk and the last button turns on or off the alarm. On more advanced models the radio frequency fob can also be used to open the trunk or even remotely start the vehicle. My current one allows me to lock, unlock, remote start, open back hatch, open back window and alarm.

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