2011 Toyota Avalon Owners Manual - Page 394

3-7. Other interior features n Deviation calibration Stop the vehicle where it is safe to drive in a circle. Press the switch until a number (1 to 15) appears on the compass display. Press the switch, and referring to the map above, select the number of the zone where you are. Wait a few seconds until the compass direction is displayed. The calibration is complete. n Circling calibration If "CAL" appears on the display, drive the vehicle at 5 mph (8 km/h) or less in a circle until a direction is displayed. If there is not enough space to drive in a circle, drive around the block until the direction is displayed. 370 AVALON_U (OM41428U)