You can refill your 1986 Toyota Corolla power steering fluid through the power steering reservoir. The power steering reservoir will be on the left-hand side of the engine.
That Depends on what color its is.
Yes the power steering in a 2010 Corolla is electric so it needs and has no hydraulic power steering fluid.
DexronII ATF
According to my handbook for my 2003 corolla the power steering is assisted by an electric motor and there is no fluid used.
Your 2004 Toyota Corolla transmission holds seven quarts of transmission fluid. You can check the transmission fluid level with the transmission fluid dipstick.
Dexron II is the recommended fluid for this model.
Automatic Transmission fluid Dextron II or III
Important to refer to your vehicle manual, what kind of power steering fluid need to use this model.
coolant, motor oil, power steering fluid, transmission fluid, brake fluid?
Type of fluid should be on the oil filler cap. Probably one of the ATF fluids.
UK recommendation is Dexron II.