Participant observation I think hope this helps :)
Answer:
Yes <em>and</em> no.
Patrick <em>would</em> be liable for negligence in <em>allowing</em> the hail damage, as he <em>failed</em> to fulfill his duty of taking reasonable care of the vehicle.
However, he would<em> not</em> be responsible for the hot oil and gravel nicks.
Your licence? or maybe stuff that you might need if they pull you over.
