Electrical Equipment problems of the 2003 Mazda MAZDA6

I purchased a 2003 Mazda six on 6-28-03. 2 months later the engine and other dash lights appear and car shuts off. I pick up the car 6 days later only to return it a week later when the engine light comes on again. A week later I pick it up on Friday at 11:00 a. M. And by 7:00 p. M. All dash lights come on, transmission slipping, speed odometer erratic, and loss of power. It has been in the shop for 12 more days and they can not tell me anything. My piece of crap has been in the shop for 26 days, they have damaged numerous things(spoiler has crack, paint nicks on hood and doors)all I want is my money back and I walk away!.

The check engine light has been on in my car since the first week I bought the car. I have taken it to the dealer service department, and they tell me that the key entry system is the problem. After the fourth time hearing this, I decided to write someone and let it be known. I use my car as an office for my job, and it's very important that me and my family feel safe in the car. Please tell me what I have to do get this fixed. I can't keep taking days off work to go back to the repair shop. The dealership is malloy Mazda in woodbridge,va.