I have an SV6 09 with the same problem. I've had the car for 2 years and some monthes. When I start the car, the stereo screen don't work for about 5-10 sconds. And that's it. It did happen to me about 4-7 times only. I don't think you should turn off the car and get out of it ! Any way, only the screen light turns off for a bit, and that's all.