2003 Ford Focus issues?

Ok so earlier today I was driving on the highway, a light came on. I don't know what it is. I know nothing about cars. It had an exclamation mark and had little spiky things around it. My car kept stalling. Kinda like a rock and back forth action. Same thing happened when I was at a red light, my foot was on the brake and it somehow still rolled a little forward. What could this be? I do need new motor mounts. Do y all think the motor mount problem could be the problem? Keep having issues with this car.tired of it. The battery light keeps coming on and off too. Brought it to autozone, battery and alternator are fine. Just had my starter replaced, tune up, new brakes, and new serpentine belt

Transmission cooling fault warning light.

Hi so not being the most wisest persons you didn't think a ford dealer would be a cheaper and more likely to find the fault.

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