2005 Toyota Matrix Owners Manual - Page 390

'05 MATRIX_U (L/O 0409) The front passenger occupant classification indicator light will indicate "ON" and "OFF" when the ignition key is turned to the "ON" position. After about four seconds, it will go off. After that, the front passenger occupant classification system operates and judges whether to indicate "ON" or "OFF". The SRS warning light will come on and front passenger occupant classification indicator light will indicate "OFF" if there is a malfunction in the front passenger occupant classification system. 66 2005 MATRIX from Sep. '04 Prod. (OM12892U)