2011 Toyota Prius Navigation Manual - Page 267

SETUP TIRE CHANGE CALIBRATION The tire change calibration function will be used when replacing the tires. This function will adjust the miscalculation caused by the circumference difference between the old and new tires. If this procedure is not performed when the tires are replaced, the current vehicle position mark may be incorrectly displayed. 4. Touch either the or to ad- just the direction of the current vehicle position mark. 5. Touch "OK". The map will be displayed. To perform a distance calibration procedure, touch "Tire Change" on the "Calibration" screen. The message appears and the quick distance calibration is automatically started. A few seconds later, a map will be displayed. 269