A deceleration warning device for providing a visual indication of severe vehicular deceleration to the driver of a following vehicle. The package comprises a chip carrier, a device chip electrically and mechanically connected to a first surface of the chip carrier with solder connections, and a capping chip secured to the chip carrier to hermetically enclose the device chip. A nut is axially slidable along the inner surface of the cylindrical wall. The arm has a pin portion protruding into the chamber. The molds press and squeeze the resin out of the impregnated fibers to the mold internal surfaces, and push the outer fibers longitudinal roving fibers toward the crest of the thread of the molds so that the thread when formed is reinforced by fibers extending into the core of the rod. The information is stored on the device.