ExplainedFeature Index on patze1 Model and Serial Numbers 2(Under the cooktop)2 Control Knobs 3,4,6,7, 123 Dual Surface Unit Knob 7, 124 “UNIT ON” Indicator Light 175 Dual Surface Unit6 Hot Surface Indicator Lights 177 Surface Unit I 3-118 Glass Ceramic Cooktop I 4,8-11‘5