FORD SPECIFIES ONLY 235/60-15 TIRES ON THIS VEHICLE. THIS SIZE IS NOT AVAILABLE IN A WINTER TIRE. THESE TIRES ARE UNACCEPTABLE FOR USE IN UPSTATE NEW YORK IN WINTER. WHAT CAN BE DONE TO GET FORD TO IDENTIFY SAFE WINTER TIRES? I HAVE HAD SIGNIFICANT PROBLEMS STOPPING THE TRUCK IN BAD CONDITIONS AND THESE TIRES ARE JUST NO GOOD IN WINTER WEATHER. I BELIEVE IT IS TECHNICALLY UNACCEPTABLE AND FUNDAMENTALLY IRRESPONSIBLE FOR AN AUTOMOBILE COMPANY TO ONLY RECOMMEND A SUMMER TIRE AND THEN SELL THE VEHICLES THROUGHOUT THE COUNTRY. PLEASE HELP ME. I HAVE TALKED TO FORD CUSTOMER SERVICE AND THEY STICK WITH THE SINGLE SIZE RECOMMENDATION. THIS IS STUPID.*AK