Toyota 2003 Corolla Owner's Manual page 140

Zone number
136
'03 Corolla U (L/O 0201)
Hawaii: 5
Samoa: 5
Guam: 8
Saipan: 8
2003 MY COROLLA_U (OM12744U)
After calibration, leaving the system for
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.