2009 Toyota Sienna Owners Manual - Page 440

3-7. 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 deviate. To obtain higher precision or perfect calibration, refer to the following. n Deviation calibration STEP 1 STEP 2 Stop the vehicle in a level place. Switch the trip information display to the outside temperature. (→P. 182) Press and hold both the "MODE" and "E/M" buttons simultaneously for 5 seconds until the "VAR" indication and a number (1 to 15) appears on the compass display. STEP 3 414