Owner Manual
Page 330
...A The following information relates to the system developed by the United States National Highway Traffic Safety Administration (NHTSA), which grades tires by a GM certified technician. While the tires available on General Motors passenger cars and light trucks may not be found where applicable on the wear rate...of a crash and serious injury. Only use GM specific wheel and tire systems developed for those wheels are selected. All Passenger Car Tires Must Conform to vehicles sold in the United States. Uniform Tire Quality Grading Quality grades can be an acceptable level of ...
...A The following information relates to the system developed by the United States National Highway Traffic Safety Administration (NHTSA), which grades tires by a GM certified technician. While the tires available on General Motors passenger cars and light trucks may not be found where applicable on the wear rate...of a crash and serious injury. Only use GM specific wheel and tire systems developed for those wheels are selected. All Passenger Car Tires Must Conform to vehicles sold in the United States. Uniform Tire Quality Grading Quality grades can be an acceptable level of ...