I have a 2001 Mitsubishi Galant SE V6. About two days ago I parked my car to go in to the grocery store. When I came out and tried to start the car it would not start. The oil,battery and brake light came on. I continued to try an start the car and it would shake and shut off again. With the same lights turning on. I finally got the car to start and it stalled on me all the way home.I would have to put the car in park and restart the ignition praying for it to connect. I had my boyfriend look at the car and he said there was corrusion around the battery so he cleaned it. Okay I thought this was the end of my worries. The car still shut off so I took it to my mechanic and he asked me when was the last time I filled up with gas. I told him about 2 days ago. He checked the battery and alternator and told me that they were fine but I had water in my gas tank. I must have gotten some bad fuel.He told me to use dry gas and drive until the bad gas was completly out of my car. I did this and filled up with new gas and need less to say the same problem occured again. Also I have noticed that since the car shut off the first time my radio no longer works (I have to program the antitheft code each time I start the car). My factory alarm, power locks and intertion light no longer works. Please help me with some answers I have no idea what is going on. Thanks