Toyota Lexusc Owner's Handbook Manual page 284

Displays
N
NE
E
SE
S
SW
W
NW
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.
D The vehicle is on an inclined surface.
Directions
North
Northeast
East
Southeast
South
Southwest
West
Northwest
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 on or near the inside rear view mirror.)
D The battery has been disconnected.
Your vehicle is out of the set zone. Refer to the "Calibrating the
compass" in this Section to set the zone number.
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.
If the direction is not indicated or the system does not operate
properly, contact your Lexus dealer.
STEERING WHEEL AND MIRRORS
265