Individual PPO Dental Insurance Without Waiting Time?

“I keep a UK Provisional Drivers License. I am covered (totally detailed) by myself car. Does the fully licenced driver that we need with me all the time have to be insured to travel my car also (either as being a named driver or included in their own insurance -for-an-audi-tt/”> insurance to drive any automobile) or will my completely comp insurance cover them too? Please no solutions informing me about compare sites as I am already-insured