2011 Chevrolet HHR stability control problems

I tried to used remote start from my fob. It worked the first time but nothing after that..stationary these were the events that followed: all at the same time lost power steering (power steering assist) landed me in the hospital with torn chest muscle while car was moving on a interstate no A/C (compressor does not come on) stationary service airbag light came on while car was moving on the interstate service tire monitors stationery no temp reading stationary

I was driving to work this morning. I live just 5 minutes from the office. I pulled out of the parking lot and was going about 5MPH when suddenly the ESC active light appeared on the dash, then a yellow triangle warning started flashing. The transmission felt like it started to shake and the car decelerated on its own. I applied the brakes, put the car in park, and the warnings went away. The light turned green so I started to accelerate and again, the same warnings. Help!