Toyota 2004 Highlander Owner's Manual page 106

The "AIRBAG ON" and "AIRBAG OFF"
indicator lights will be illuminated ini-
tially when the ignition key is turned to
the "ON" position. After about 4 sec-
onds, they will go off. After that, the
front passenger occupant classification
system operates and judges which indi-
cator light be illuminated.
82
'04 HIGHLANDER_U (L/O 0308)
The SRS warning light and "AIRBAG
OFF" indicator light will come on if
there is a malfunction in the front pas-
senger occupant classification system.
2004 HIGHLANDER from Aug. '03 Prod. (OM48478U)