2016 WINNEBAGO VISTA Power Train Problems

THE TOW / HAUL MODE DOES NOT FUNCTION AS DESCRIBED IN THE FORD OWNER'S MANUAL ON THE 2016 18,000# FORD F53 CHASSIS. THE OWNER'S MANUAL STATES: "THE TOW HAUL FEATURE PROVIDES ENGINE BRAKING IN ALL FORWARD GEARS, WHICH WILL SLOW YOUR VEHICLE AND ASSIST YOU IN CONTROLLING YOUR VEHICLE WHEN DESCENDING A GRADE. DEPENDING ON DRIVING CONDITIONS AND LOAD CONDITIONS, MAY DOWNSHIFT THE TRANSMISSION, SLOW YOUR VEHICLE AND CONTROL YOUR VEHICLE SPEED WHEN DESCENDING A HILL, WITHOUT PRESSING THE ACCELERATOR PEDAL." THE TOW HAUL FEATURE HAS NO EFFECT AND DOES NOT DOWNSHIFT THE TRANSMISSION, SLOW VEHICLE, OR CONTROL THE VEHICLE'S SPEED WHEN DESCENDING A HILL. THE TOW HAUL DOES NOT FUNCTION AT ALL AS THERE IS NO DIFFERENCE DESCENDING A HILL WITH OR WITHOUT THE FEATURE SELECTED ON. THE VEHICLE MERELY GAINS SPEED AND THE TOW HAUL DOES NOT CAUSE THE TRANSMISSION TO DOWNSHIFT NOR DOES IT CONTROL THE VEHICLE'S...