Power Sterring Fluid

You have a leak somewhere. Clean all the system hoses and the pump and rams. Start car, Get someone to work thet steering and check everything for leaks. Oil seals on the pump can leak when worn.

Look at all the hose connections. The leaking one will be wet with fluid and will attract a lot of road dirt. Usually a loose clamp will cause the leak.

sounds like the power steering pump is the problem. check the drive belt for proper tension and if that looks fine - then replace the pump.
the reason it only works when you step on the gas is because the pump is moving faster then at idle. which is why I think it could just be a loose belt. but again - if the belt looks good and tight, then the pump is bad and needs replacing.

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Says power steering fluid.?

You put tranny fluid in the place you take out tranny stick to check tranny fluid level. You need a funnel. The power steering is the same. take off the cap and it has lines to tell you if it needs fluid. Add power steering fluid there.

This is wrong!!!! This will destroy your car. The power sterring fluid say ATF only, putting power sterring in it will destroy the steering.

Below is a link to a page that will illustrate the power steering unit and the reservoir/tank where the fluid goes.

96 Bonneville Pwr Steering

If you look under the hood look where the belts are. A compotent that the belts drive or turn is your power steering pump, when you find it you will see a cap that you can remove and check your fluid. Also with the problem you describe check the belt and the tension of the belt. Fluid level and belt tension are the most common causes of power steering failure. The power steering cap will be marked to make it easier to find.

brake reservoir should be on the drivers side high on firewall and power steering low left side of engine

• You have Electric Power Steering (EPS) not the traditional power steering pump. So there is no place to put power steering fluid in your vehicle.
  

• Hope this helps.