In its place is a painted cover with vents which, although plainer, lends a tougher, more coherent look to the rear aspect, especially in conjunction with twin buttresses which rise to
flattened points just above the seats»
head restraints and provide roll - over protection as well as helping to
manage the airflow over the cabin with the roof down — further tailored by a little glass window between them that can be raised and lowered to suit and has an «optimum» default position.