​The grill has an access panel on the back of each grill with a black knob. That knob is a timer. It needs turned on. The knobs on the grill then must be turned on and placed on light. Press the knob and then press the silver ignition switch. It make take a few seconds for the grill to light , while it pushes the air through the gas line. Once the burners are ignited, turn the knob to low, medium or high . Once finished using the grill, turn the knobs to the off position.