IS 250 RWD V6-2.5L (4GR-FSE) (2007)
4.
Drive the vehicle slowly at 5 mph (8 km/h), or less, in a circle until the direction is displayed. If there is NOT enough space to drive in a circle,
drive around the block until the direction is displayed.
After driving in 1 to 3 circles calibration is complete and the direction will show on the display.
NOTE:
^
Do NOT perform calibration of the compass 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 railroad crossing, near a large vehicle, etc.)
^
During calibration, do NOT operate electric systems (sliding roof, power windows, etc.) as they may interfere with the calibration.