Regal 2000 ES Owner's Manual page 94

Chapter 3
Typical Volvo Engine Oil Dipstick And Fill
Typical Mercury Engine Oil Dipstick
Power Steering Fluid
Power steering uid should be checked before every trip. It shouldn't
require changing unless contaminated with debris or water, in which
case a root cause must be investigated. Contact your Regal dealer.
Typical Volvo Power Steering Fluid Fill
Typical Mercury Power Steering Fluid Fill
3-15