Seat inlay in the form of an elastic grid having at least two longitudinal bars which are connected by cross bars and have hangers for suspending the inlay in a frame of a seat, and the cross bars are made of plastic and are molded to the longitudinal bars. The operational parameter is stored at a server operated by an operator of a communication system in which the mobile station is operable. Desirably, a maximum enrichment of the fuel and air mixture is obtained when at least one valve is open to facilitate starting the engine, and a lesser enrichment of the mixture may be obtained by closing a valve to facilitate warming the engine up after it is initially started. An outer annular extension of the flexible elastomer membrane maintains the wafer at its original membrane-centered location when abrading forces are applied to the rotating wafer.