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"Knowledge" in English means conoscenza in Italian.
Yes vehicle tracking devices can be used on your vehicle without your knowledge. If you find this to be the case and it was not put there by the police it is illegal.
Knowledge of English law
I have not heard that term before, however my knowledge of the English language would lead me to believe it refers to tires that have never been used on a vehicle previously.
Today most of country have follow English language, and we should have knowledge about English if we want to become a successful person in life and in future.
KNOWLEDGE
you read a whole lot of books in English
We usually say "knowledge of..."
the goddess of knowledge
Many people in Chennai have good fluency in English. English knowledge is good in Chennai.
English Competency is a term used to describe someone's level of knowledge of the English Language.
It is good to having working knowledge of Business English because you can talk to many people around the world. English is a universal language.