A friend of mine was driving her brother's car a few weeks ago and was stopped by a guard. she told the guard straight away that it was her brothers car and the reason that she was driving it was cause her brother had a asthma attack (he was also in the car). the guard told her that she shouldn't be driving the car unless she has open insurance which she didn't. she didn't get a fine or anything. Just wondering is this true cause my dad drives my mom's car and he doesnt have insurance in her car he thought cause he has fully comp on his own he could drive hers???