sentences:  In what would be a distinguishing feature of the vehicle, the Astro/Titan was produced with a wraparound dashboard; the speedometer and tachometer were placed directly in the line of sight of the driver while most secondary gauges were placed off to the side, based on their level of use.In stark contrast to the boxy Crackerbox, the exterior of the Astro/Titan featured rounded body corners and wraparound windshield glass.In 1975, GMC introduced a "Dragfoiler" roof spoiler as an option.