10+ Four Wheel Steering. It had almost faded away by the late '90s, but over the past decade, 4ws has reappeared on models from nissan, renault, bmw. For all of those current models, it is sold as an option on the sport versions.
At lower speeds, turning the rear wheels in the opposite direction to the front wheels results in a smaller turning radius and faster four wheel steering in my opinoin, is an unnecessary complication in a vehicle. A flashback to 4ws systems. The steering system should have good vibration resistance, flexible rotation and ease of assembly.
Four wheel steering system has developed through the study of previous work.
Rear wheel steering operates very similarly to the front wheel steering. This is clearly observed when a car has worn suspension bushes. For all of those current models, it is sold as an option on the sport versions. Process was to flick into hairpins, rear wheels steering opposite to ft via a cardioid shaped cam, go into hairpin backwards at full throttle to exit better.