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Key fob
01
a small electronic device that remotely controls functions such as locking and unlocking doors on a car
Example
The key fob also has a panic button in case of emergencies.
She pressed the button on her key fob to open the trunk of her car.
My new car came with a key fob that allows me to unlock the doors from a distance.
He replaced the battery in his key fob when it stopped working properly.
I often forget where I put my key fob because it's so small.
