I have a Hyundai Getz 2003. My radio keeps knocking off. My inside light has went. My indicator will sometimes turn off but when I put the hazards on it seems to turn them back on. Now my brake lights works when there is no headlights on, but when my headlights are on my left brake light does not turn on. The spoiler brake light and the right hand brake light works perfectly. The backlights all work whenever i'm not pressing on the brake