2009 Cadillac CTS-V Owner's Manual - Page 386

Tire Inspection and Rotation Inspect tires regularly for signs of wear or damage. Also inspect the spare tire, if the vehicle has one. For more information on tire inspection, see When It Is Time for New Tires on page 5-81. Tire rotation is not recommended if the vehicle has 255/40R19 size tires on the front wheels and 285/35R19 size tires on the rear wheels. Different tire sizes should not be rotated front to rear. Each tire and wheel should only be used in its original front or rear position. Tire rotation is recommended if the vehicle has the same size tires on all four wheel positions. These tires should be rotated every 5,000 to 8,000 miles (8 000 to 13 000 km). See Scheduled Maintenance on page 6-4. The purpose of a regular tire rotation is to achieve a uniform wear for all tires on the vehicle. This will ensure that your vehicle continues to perform most like it did when the tires were new. Any time you notice unusual wear, rotate your tires as soon as possible and check wheel alignment. Also check for damaged tires or wheels. See When It Is Time for New Tires on page 5-81 and Wheel Replacement on page 5-86. Use the rotation pattern shown here when rotating tires of the same size installed on all four wheel positions. After the tires have been rotated, adjust the front and rear inflation pressures as shown on the Tire and Loading Information label. See Inflation - Tire Pressure on page 5-72 and Loading the Vehicle on page 4-21. 5-80