The system's variable steering ratio is enabled by its steering rack, which utilizes progressively wider gear spacing so, as the wheel is moved farther off center, the steering ratio is effectively increased, providing for both
easy maneuverability in parking and city
street maneuvers and outstanding calmness and stability when traveling at freeway speeds The steering ratio is variable with an on - center ratio of 15.13:1 and final off - center ratio (at full lock) of 11.95:1, with a total of 2.23 turns lock - to - lock (
compared to 2.73 on the previous - generation RDX).