Toyota 4Runner 2003 Operating Manual page 221

'03 4Runner_U (L/O 0211)
CALIBRATING THE COMPASS (deviation
calibration)
The direction display on the compass
deviates from the true direction deter-
mined 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 dis-
play. Then push the "COMP" switch, refer-
ring to the following map to select the
number of the zone where the vehicle is.
215
2003 4RUNNER from Oct. '02 Prod. (OM35804U)