First of all, the eco idle will only work with the seat belts fastened. Secondly, itis the srs unit that runs the eco idle system. SINCE the SR sensor is mounted just a few inches behind the radiator it is likely to be damaged if your car was involved in a head on collission. Deployed airbags increase the probability of faulty rs sensor. You must get your car scanned by a good tech. If you are in rawalpindi islamabad, mr. Atta rehman is your best friend, he owns rehman autos. AJP road opposite I8/ METRO station.