2003 Toyota 4Runner Navigation Manual - Page 289

4Runner_Navi_U (L/O 0301) The tire change calibration function should be used when the tires are replaced. This will adjust for any possible change in tire circumference from the old tires to the new ones. If this procedure is not performed when tires are replaced, the current vehicle position mark may become incorrect. To execute the fast distance tire calibra"Tire tion procedure, touch the change" switch on the "Calibration" screen. L00132 The above message appears and the fast distance calibration is automatically started. A few seconds later, the map screen returns. 93 2003 4RUNNER Navigation from Jan. '03 Prod. (OM35808U)