air conditioner

why does my ac flash like that? it turns on and flashes automatically. its winter and I would never turn on the AC but when I start my car it automatically turns on and flashes. I have to turn it off everytime. https://www.youtube.com/watch?v=G-BWpGTA-ro&feature=youtu.be

I have a hole in my condenser and am replacing it. Because my car would bog down from time to time when I initially started it with the AC on, I figured it would be a good time to replace the compressor as well. A few questions: - Should I replace anything besides the condenser, dryer...