Calibrating The Compass (Circling Calibration) - Lexus RX300 2003 Owner's Manual

16R198
" Zone number
Leaving the system after the calibration for several seconds,
the direction will appear on the display. It shows the zone
number is set.
Hawaii: 5
Do not adjust the display while the vehicle is moving.
Be sure to adjust the display only when the vehicle is
stopped.

Calibrating the compass (circling calibration)

To rectify the compass, stop the vehicle and push the button for
longer than about 9 seconds until "C" appears on the display.
There is also a case that "C" appears on the display in case of
a drastic change in the magnetic field.
CAUTION
16R298
2003 RX300 from Aug. 02' Prod. (OM48442U)