I was under the impression it was against the law to knowingly fill a leaking AC system.

How are Halfords allowed to advertise a "Top up" service on TV? Even if they can worm around the wording used, this sort of advertising adds to the public's perception of how AC operates.

Top marks to Fifth Gear for highlighting the very poor access for headlamp bulb changing on Renault Megane. Perhaps they should do one "Poor Design" feature each week.