Lexus SC 430 2004 Manual page 76

The compass may not show the correct direction in the
following conditions:
D The vehicle is stopped immediately after turning.
The compass does not adjust while the vehicle is stopped.
D The ignition switch is turned off immediately after turning.
The compass does not adjust while the vehicle is stopped.
D The vehicle is on an inclined surface.
D The vehicle is in a place where the earth's magnetic field is
subject to interference by artificial magnetic fields
(underground parking, under a steel tower, between
buildings, roof parking, near a crossing, near a large
vehicle, etc.).
D The vehicle is magnetized. (There is a magnet or a metal
object near center of the instrument panel.)
D The battery has been disconnected.
D Any door is open.
The compass works to calibrate the direction automatically
while the vehicle is in motion, if deviation is small.
For obtaining additional precision or for complete calibrating,
see "CALIBRATING THE COMPASS" below.
GAUGES, METERS AND SERVICE REMINDER INDICATORS
COMPASS SENSOR
13SA10a
" Compass sensor
The compass sensor is located behind the center of the
instrument panel.
Do not put magnets or a metal object near the center of
the instrument panel.
malfunction of the compass sensor.
NOTICE
Doing this may cause
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