Corolla 2004

I recently had 4 new tires and a wheel alingment done. My corolla has 39000 miles on it and no other issues. Shortly after leaving the Auto place I noticed that when I made a hard stop or stop while in reverse my car will make a grinding, squeeking noise from underneath. Could this just be the car getting used to the alingment and new tires or am I looking at something more.

The noise may be related to the brakes or the wheels. You may want to ask the shop that did the tires to check it out for you to make sure nothing serious is going on.

At least check for loose lug nuts.