I had a compustar 2way alarm installed in my car today and i have to take it back because of faulty install my check engine light is on now my transmission wont shift out of gear and my battery light stays on i will take it back in the morning to hopefully get fixed they must have not known what theu were doing can some one tell me what went wrong with the install i am sure to take it to car toys even if they correct it please helllllllllllp
