2003 Toyota Prius Navigation Manual - Page 84

Current position calibration The current vehicle position mark will be automatically corrected during driving on reception of GPS signals. If your vehicle cannot receive GPS signals, you can correct the current position mark manually. INFORMATION 2UE027-1 2. Touch the "Calibration" switch. For additional information on current position accuracy, see "Limitations of the Navigation System" on page 49. 1UE040 1. Push the "MENU" switch to display the Menu screen, and touch the "Setup" switch. 2UE027-2 3. Touch the switch. "Position/Direction" 77