2009 Lexus IS 350 Navigation Manual - Page 95

ADVANCED FUNCTIONS D Current position/tire change calibration The current vehicle position mark can be adjusted manually. Miscalculation of the distance caused by tire replacement can also be adjusted. 1. Push the "MENU" button. 2. Touch "Setup" on the "Menu" screen. Then touch twice to display page 3 of the "Setup" screen. 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. 1. Touch "Position/Direction". 3. Touch "Adjust" of "Calibration". 2. Touch the eight directional touch− screen button to move the cursor to the desired point on the map. 3. Touch "Enter". 4. Touch the desired button. INFORMATION For additional information on the accuracy of a current vehicle position, see "Limitations of the navigation system" on page 294. 115