Calibrating The Compass (Deviation Calibration) - Lexus GX470 2004 Owner's Manual

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.
STEERING WHEEL AND MIRRORS
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.
Hawaii: 6
Samoa: 5
Guam: 7
Saipan: 7
Puerto Rico: 10
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