Toyota 2007 Avalon Owner's Manual page 262

Zone number
250
'06 AVALON_U (L/O 0508)
Samoa: 5 Guam: 8 Saipan:
After calibration, leaving the system for
8
several seconds returns it to the compass
mode.
CAUTION
Do not adjust the display while the
vehicle is moving. Be sure to adjust
the display only when the vehicle is
stopped.