2010 Acura RDX Owner's Manual - Page 434
2010 Acura RDX Manual
Page 434 highlights
Power Steering Fluid UPPER LEVEL Always use Acura Power Steering Fluid. You may use another power steering fluid as an emergency replacement, but have the power steering system flushed and refilled with Acura PSF as soon as possible. A low power steering fluid level can indicate a leak in the system. Check the fluid level frequently, and have the system inspected as soon as possible. If you are not sure how to add fluid, contact your dealer. Turning the steering wheel to full left or right lock and holding it there can damage the power steering pump. LOWER LEVEL Check the level on the side of the reservoir when the engine is cold. The fluid should be between the UPPER LEVEL and LOWER LEVEL. If not, add power steering fluid to the UPPER LEVEL. Pour the fluid slowly and carefully so you do not spill any. Clean up any spills immediately; it could damage components in the engine compartment. 430 2010 RDX