The suspension enhancements of the RC 350 F SPORT are complimented by the available four-wheel steering benefits of the Lexus Dynamic Handling (LDH) system. This leading edge platform technology offers the integration of Dynamic Rear Steering (DRS) and Variable Gear Ratio Steering (VGRS).
Monitoring vehicle speed, steering direction and driver inputs, the system calculates the optimum angle for all four wheels. Using VGRS in the front and DRS in the rear, the system can independently manage both front and rear wheel steering angles to help improve turn-in response, rear grip, vehicle control and overall agility when cornering.
The LDH system monitors vehicle speed and yaw rate, steering angle and speed, and lateral G to calculate the required rear wheel steering input up to a maximum rear wheel angle of 2.0 degrees. The front and rear wheels turn in opposite directions at lower speeds, and in the same direction at higher speeds.
(March 4, 2014)