ok have a big problem car was in storage over the winter took it out now a have an elect. problem lots of warning lights on abs, esp, service engine soon i cleared that for now speedometer doesnt work rear spoiler is in the up position light is blinking on dash for it ,car drives and works well no issues , all lights went out and spoiler was working again for about a day now everything is back on again please i need help any ideas im sure im not the first for this to happen too