2014 Cadillac SRX Owner Manual - Page 305

Vehicle Care performance factors: treadwear, traction, and temperature resistance. For more information see Uniform Tire Quality Grading on page 10-60. (7) Maximum Cold Inflation Load Limit : Maximum load that can be carried and the maximum pressure needed to support that load. (2) Temporary Use Only : The compact spare tire or temporary use tire should not be driven at speeds over 80 km/h (50 mph). The compact spare tire is for emergency use when a regular road tire has lost air and gone flat. If the vehicle has a compact spare tire, see Compact Spare Tire on page 10-79 and If a Tire Goes Flat on page 10-63. (3) Tire Identification Number (TIN) : The letters and numbers following the DOT (Department of Transportation) code are the Tire Identification Number (TIN). The TIN shows the manufacturer and plant code, tire size, and date the tire was manufactured. The TIN is molded onto both sides of the tire, although only one side may have the date of manufacture. 10-45 (4) Maximum Cold Inflation Load Limit : Maximum load that can be carried and the maximum pressure needed to support that load. (5) Tire Inflation : The temporary use tire or compact spare tire should be inflated to 420 kPa (60 psi). For more information on tire pressure and inflation see Tire Pressure on page 10-49. (6) Tire Size : A combination of letters and numbers define a tire's width, height, aspect ratio, construction type, and service description. The letter T as the first character in the tire size means the tire is for temporary use only. Compact Spare Tire Example (1) Tire Ply Material : The type of cord and number of plies in the sidewall and under the tread.