2004 Toyota Matrix Owners Manual - Page 107
2004 Toyota Matrix Manual
Page 107 highlights
'04 MATRIX_U (L/O 0307) If any of the following conditions then occurs, there is some trouble in the cruise control system. D The indicator light does not come on. D The indicator light flashes again. D The indicator light goes out after it comes on. If this is the case, contact your Toyota dealer and have your vehicle inspected. 107 2004 MATRIX from Oct. '03 Prod. (OM12861U)