
A steering system that actively steers the rear wheels as well as the fronts in the interest of improving handling and maneuverability.
Found on
http://www.caranddriver.com/reviews/glossary-of-terms-info

A feature of some vehicles that allows the rear wheels to be steered (by a computer and actuators), for the purpose of increasing high-speed cornering stability.
Found on
http://www.edmunds.com/glossary/

Vehicle on which all four wheels turn when the driver turns the steering wheel. The rear wheels turn at a smaller angle than the front wheels. This system appeared on a few sports models in the 1980s but was never very popular in North America.
Found on
https://www.encyclo.co.uk/local/22335
No exact match found.