If you must have a medical emergency, best do it in Stuttgart. Stuttgart just received a pair of custom-designed Porsche Cayennes to use as medical emergency transport. The duo of Porsche Cayennes combine speed and agility to climb Stuttgart's mountainous region but perform equally well in its urban areas. These new models will feature cutting edge alarms including a "hissing" sound that has been proven to alert bystanders more quickly to an oncoming emergency vehicle, meaning the roads clear faster. At least after onlookers get used to the ambulance-chic SUVs whirring by.