You must carry two red warning triangles which should be placed, in the event of an accident or breakdown, in front of and behind the vehicle. You must have a spare pair of glasses (if needed for driving), a spare wheel, and a full set of spare light bulbs plus the tools to change them. If at any time you have to leave your vehicle due to an accident or breakdown or while waiting for the arrival of the emergency services, you must wear a reflective jacket or you may face a heavy fine. UK provisional licences are not valid for driving in Spain.