asked for insurance stuck with a tracker contract

Contacted oakhurst for car insurance they assisted me and said with it comes a car tracker this helps with accident claim etc. And that its included in my premium. But what they don't highlight is the fact that if u cancel the car insurance you are stuck with the tracker as its a 3year contact on its own, premiums vary depending on your driving. So be careful you ask for car insurance but get a 3 year contract for a tracker if u cancel, really not fair