How do I replace the power steering fluid in my Audi A3?

I've noticed my power steering is feeling a bit stiff and sluggish lately. I've checked the fluid level and it seems low. What's the best way to replace the power steering fluid in my Audi A3?

First, locate the power steering fluid reservoir under the hood of your Audi A3. It's usually a small, clear container with a black cap. Remove the cap and check the color of the fluid. If it's dark and dirty, it's time for a flush and refill.