Where is steering fluid reserve on 2001 buick regal?

Do you mean the engine overheat warning? The power steering problem is most likely a defective steering rack, they always act up when hot due to internal seal leakage and fluid bypassing the seal.

check the power steering fluid level first if it's low add. If it still does it have someone turn the wheel from full left to full right and see if it gets louder. If all of this does not change the sound then have your transmission checked out. Both of the pumps "whine" when they need attention.

It's on the passenger side of the motor just below the belt tensioner assembly.

power steering fluid is usually transmission fluid, if you use a fluid that is too thin it can cause this problem,the power steering reservoir is under the hood.....hope this helps.....cheers.

a cap on the engine will have DOT on it with power steering on it

the power steering fluid is located from the front of the car look close to the firewall on the passanger side and look down
you will see a resevoir down in the back that's where it is located

Ck the power steering fluid level, if its low, find out why (leak)

You will find the power steering pump at the front of the engine, ( that is to say where the belts are ). It is a black plastic knob with a dip stick attached. Remove it, wipe it and reinsert it with the engine off. Remove it again and note the level on the level indicator on the stick. Use only GM fluids. If you still can't find it then think backwards..There are ony so many things that you can fill under the hood. Engin oil, Transmission fluid, Windshield washer fluid, brake fluid. If you find all of them pretty much the only on let is steering fluid.

The power steering pump is located under the alternator near the firewall. It is hard to get to so you most likely need a funnel with a flex pipe to reach it without making a huge mess. I hope this is helpful.

It is actually on the passengers side near the engine wall the pump and reservoir are made as one You will need a flash light follow the drive belt down past the alternator to the powersteering pump look for a black lid with a yellow steering wheel on top. The whole steering system takes only 3/4 quart of dextron automatic transmission fluid so do not over fill.