my stereo keep on reseting by it self dont know y.....everytime i turn the car off and took my keys out and den start the car turn on the stereo it keep on asking me for the code.....basiclly i punch in the code everytime i get in my car, and besides dat my clock doesn't work, i checked the fuse for the clock and the radio everything was ok, and the wires too, the radio never been taking out before....STOCK...wat is the problem here....