2005 Lexus ES 330 Owners Manual - Page 194

STEERING WHEEL AND MIRRORS If your vehicle is out of the set zone, refer to "Calibrating the compass" in this Section to set the zone number. If the deviation is small, the compass works to calibrate the direction automatically while the vehicle is in motion. For additional precision or for complete calibrating, see "Calibrating the compass" below. If the direction is not indicated or the system does not operate properly, contact your Lexus dealer. Calibrating the compass (deviation calibration) The direction display on the compass deviates from the true direction determined by the earth's magnetic field. The angle of deviation varies according to the geographic position of the vehicle. To adjust this deviation, stop the vehicle, then push and hold the "COMP" switch until the zone number appears on the display. Then push the "COMP" switch, referring to the following map to select the number of the zone where the vehicle is. " Compass sensor NOTICE Do not put magnets or a metal object on or near the inside rear view mirror of the vehicle. Doing so may cause malfunction of the compass sensor in the mirror. 176