| Trouble Symptom Charts |

| Component part | Function |
| Cruise Control Switch | Input the set speed and distance to the SCC ECU. |
| Instrument Cluster | Display various information inputted from SCC. |
| Smart Cruise Control Unit | Recognize and track the vehicle ahead. Calculate the target speed and distance Request the acceleration and retardation to ESP |
| ESP (HECU) | Automatic braking and request the engine torque control to the engine (ECM) Request the EPB torque control to the Electronic Parking Brake (EPB) Request the stop lamp indicator ON |
| Engine (ECM) | Control the engine torque |
| Electronic Parking Brake (EPB) | Control the EPB torque |
| Stop lamp | Stop lamp indicator ON |
Smart Cruise Control Be careful when driving the vehicle using the smart cruise control system as follows. • The smart cruise control system may have limits to detect distance to the vehicle ahead due to road and traffic conditions.
Description The smart cruise control system allows a driver to program the vehicle to control the speed and following distance detecting the vehicle ahead without depressing the brake pedal and the accelerator pedal.
C
Description To sense the cars exactly in the next lane with the radar, the direction of the sensor and the direction of the vehicle have to align. This is BSD unit alignment. If this alignment is not performed as below illustration, the degradation of detection performance and the cause of false alarms.