2012 Nissan Quest Owner's Manual - Page 431

SIZE COLD TIRE INFLATION PRESSURE 240 kPa, 35 PSI 240 kPa, 35 PSI 240 kPa, 35 PSI 240 kPa, 35 PSI 420 kPa, 60 PSI 420 kPa, 60 PSI Example P225/65R16 FRONT 99T ORIGINAL TIRE P235/55R18 99T P225/65R16 REAR 99T ORIGINAL TIRE P235/55R18 99T SPARE TIRE T135/80D16 101M T135/90D16 102M SDI1575 Example SDI1606 TIRE LABELING GUID-E94BEFF8-822B-4E1F-B6EE-20563A10CB9F Federal law requires tire manufacturers to place standardized information on the sidewall of all tires. This information identifies and describes the fundamental characteristics of the tire and also provides the tire identification number (TIN) for safety standard certification. The TIN can be used to identify the tire in case of a recall. 1 * Tire size (example: P215/60R16 94H) 1. P: The "P" indicates the tire is designed for passenger vehicles. (Not all tires have this information.) 2. Three-digit number (215): This number gives the width in millimeters of the tire from sidewall edge to sidewall edge. 3. Two-digit number (60): This number, known as the aspect ratio, gives the tire's ratio of height to width. 4. R: The "R" stands for radial. 8-32 Maintenance and do-it-yourself