| 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 |
| VDC (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 |
| Stop lamp | Stop lamp indicator ON |
General Safety Information and Caution
Description and OperationHyundai Elantra AD (2016-2020) Service Manual: Specifications
Specifications
ItemSpecificationMaster cylinderTypeTandemCylinder I.D.22.22 mmPiston stroke45 ± 1 mm (1.77 ± 0.039 in)Fluid level switchProvidedBrake boosterType10" SingleBoosting ratio8.0 : 1Front disc brakeTypeVentilated discDisc O.D.O 280 mm (11.02 in)Disc thickness23 mm (0.91 in)Caliper p ...
Hyundai Elantra AD (2016-2020) Service Manual: Front Wheel Speed Sensor Components and Components Location
Components
1. Front wheel speed sensor2. Front wheel speed sensor connector
...