2007 Toyota Prius Navigation Manual - Page 89

ADVANCED FUNCTIONS POSITION/DIRECTION CALIBRATION When driving, the current vehicle position mark will be automatically corrected by GPS signals. If GPS reception is poor due to location, you can manually adjust the current vehicle position mark. 3. Touch "Enter". 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. 1. Touch "Position/Direction". 4. Touch either or to adjust the direction of the current vehicle position mark. 5. Touch "Enter". The map screen will be displayed. IV 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 screen will be displayed. 2. Touch the eight directional touch− to the screen button to move the cursor desired point on the map. 89