Rear active steer
Have you read up on it?
The four-wheel active steer option includes a computer controlled variable ratio steering gear in front that tightens up the steering ratio during slow speed maneuvering. Below around 35 miles per hour, the steering is quite fast so that I rarely had to reposition my hands on the wheel while driving on twisted country roads. Bring it up to highway speeds and the steering ratio gets less aggressive so it doesn't feel too sensitive for relaxed cruising.
On this option package, not only do the front wheels steer, but the rears do as well. At slow speeds, the rear wheels turn opposite the fronts which tightens the turning radius and allows you to park in a tighter space, or make a U-turn without needing to reverse. On the highway, the rear wheels steer at a small angle in the same direction as the front wheels, which improves highway stability.
To give you an example, the base model with 18 inch wheels and tires has a 16.4 to 1 steering ratio which will give you 3 full turns of the steering wheel lock to lock. If you order the Sport package, you get the 19 inch wheels and tires and a ratio of 14.7 to 1. This will get you 2.7 turns lock to lock. Now, if you order the active steering (which is only available if you also order the Sport Package) you get a variable ratio that goes from 11.9 to 1 to 14.3 to 1 and 2.2 turns to 2.6 turns lock to lock.
It's more popular with the Canadian Boards.
The four-wheel active steer option includes a computer controlled variable ratio steering gear in front that tightens up the steering ratio during slow speed maneuvering. Below around 35 miles per hour, the steering is quite fast so that I rarely had to reposition my hands on the wheel while driving on twisted country roads. Bring it up to highway speeds and the steering ratio gets less aggressive so it doesn't feel too sensitive for relaxed cruising.
On this option package, not only do the front wheels steer, but the rears do as well. At slow speeds, the rear wheels turn opposite the fronts which tightens the turning radius and allows you to park in a tighter space, or make a U-turn without needing to reverse. On the highway, the rear wheels steer at a small angle in the same direction as the front wheels, which improves highway stability.
To give you an example, the base model with 18 inch wheels and tires has a 16.4 to 1 steering ratio which will give you 3 full turns of the steering wheel lock to lock. If you order the Sport package, you get the 19 inch wheels and tires and a ratio of 14.7 to 1. This will get you 2.7 turns lock to lock. Now, if you order the active steering (which is only available if you also order the Sport Package) you get a variable ratio that goes from 11.9 to 1 to 14.3 to 1 and 2.2 turns to 2.6 turns lock to lock.
It's more popular with the Canadian Boards.
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