English dictionary, thesaurus, translations & etymology
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noun

LoJack

noun
1
A GPS- and cellular-based tracking system used to locate a stolen vehicle.
"Police recovered the stolen truck within an hour thanks to its LoJack."
"The dealership offered to install a LoJack for an extra fee."

How to Use LoJack

Learner’s notes

In plain EnglishA tracking gadget hidden in a car so police can find it if it gets stolen.

Common mistake

Now used informally for any vehicle tracker, not just the original branded product — similar to how "Kleenex" is used for any tissue.

Common pairings
install a LoJack LoJack system track the car with LoJack
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Fill the Gap

Can you complete this real example?

Police recovered the stolen truck within an hour thanks to its _____.

Etymology

Originally a trademark for a system made by Spireon, it later became a generic term for any such device. The name plays on "hijack," swapping "hi" for its opposite, "lo."

Definitions: FreeDict original editorial