The steering system features a high-efficiency re-circulating ball type steering gear of 12:1 ratio. Steering linkage is forward mounted and is of a balanced relay link type. The overall steering ratio is a very fast 13.5:1 and only 2 1/4 turns of the steering wheel are required from lock-to-lock. Wheels are of cast magnesium alloy with knock-off hubs to facilitate quick changing. Wheels of 15", 16", 17" and 18" diameters with rim width of 5½", 6", and 8" are used. The car is currently on display in Detroit, Michigan at the Renaissance Center on level A within the GM World display space.