AFLS ECU is installed without parameter values which determines vertical control level or vehicle system information like gear type(Manual or Auto transmission) and drive side(Left or Right hand drive. When AFLS ECU replace, AFLS ECU have to download correct parameter of vehicle information in accordance with transmission or drive side type. If AFLS ECU download incorrect parameter, IG KEY "OFF" → "ON" after performing parameter initialization and then redownload to correct parameter.