2004 Mazda RX-8 Owner's Manual - Page 320

Before Use System Operation Verification Automatic distance correction check The mobile navigation system uses GPS data for distance correction. It must be properly calibrated for accurate operation. Perform calibration in any of the following circumstances: 1. When using the navigation system for the very first time after installing the system. 2. When the navigation system is transferred to another vehicle. 3. When the tire pressure is changed, tires are rotated, the spare tire is used, tire size, or wheel diameter is changed. 4. When deleting the position correction learning results. e 28) 19) Before Use Notes GDo not start driving until the opening screen and warning screen close. GThe vehicle position indicator may disappear temporarily after the speed is increased depending on the vehicle model. This is a normal phenomenon indicating that the system is calculating the distance correction. 14 uto reroute s inactivated. page 21) I Resetting automatic distance correction Drive the vehicle in an open area for approximately 30-minutes at a speed over 20 kph (12.5 MPH) while receiving GPS signals. Notes Make sure the GPS reception indicator is illuminated on the map screen. page 24) GPS reception indicator 15