Lexus LS460 2008 Owner's Manual page 518

3-8. Other interior features
Calibrating the compass
The direction display deviates from the true direction determined by the
earth' s magnetic field. The amount of deviation varies according to the
geographic position of the vehicle.
If you cross over a map boundary shown in illustration, the compass will devi-
ate.
To obtain higher precision or perfect calibration, refer to the following.
■ Deviation calibration
Stop the vehicle where it is safe to drive in a circle.
STEP 1
STEP 2
Press "AUTO", and referring to the map above, select the number
STEP 3
of the zone where you are.
If the direction is displayed several seconds after adjustment, the cali-
bration is complete.
518
Push and hold "AUTO" for 6 sec-
onds.
A number (1 to 15) appears on the
compass display.