It's discussed in the owner's manual and service manuals. A magnetic system that progressively "tightens" the steering as speed increases. The performance Sevilles and Devilles and maybe a few Eldorados had it too.
Maximum power steering at parking lot speeds. Very little over 100 mph.
Variable Effort Steering (VES) or MagnaSteer (MAG-e), signals from vehicle speed and the EBTCM system (Electronic Brake and Traction Control Module).
Maximum power steering at parking lot speeds. Very little over 100 mph.
Variable Effort Steering (VES) or MagnaSteer (MAG-e), signals from vehicle speed and the EBTCM system (Electronic Brake and Traction Control Module).