With the touch of a button Cobalt’s automated computer control surf system adjusts the Bi-Axis Surf Tabs to create the optimum surf wake either left or right. No need to transfer ballast load between tanks to achieve optimum surf wake.    Fill ballast tanks    Set GPS directed cruise control to desired speed    Select surf control left or right    Throttle up and surf In Performance Mode the surf tabs automatically deploy and adjust for a quick hole-shot through to running speed, easily getting the boat on plane with full ballast. No need to empty tanks for a quick run at speed. Exceptional wake surfing doesn’t come at a compromise to Cobalt’s softer, drier, faster ride. With the versatility of full-range power trim all the control and efficient operation remains. Drivers can easily customize the wake for surfing, wakeboarding or smooth cruising. Plus, Volvo’s Forward Drive is uniquely engineered with two forward-facing counter-rotating props, which position the propellers to the front of the drive unit, well under the boat.