| System Block Diagram |

| Component part | Function |
| Vehicle-speed sensor, ESP/ABS Control Module | Converts vehicle speed to pulse. |
| ECM | Receives signals from sensor and control switches. |
| Cruise control indicator | Illuminate when CRUISE main switch is ON (Built into cluster) |
| Cruise Control switches | CRUISE switch | Switch for automatic speed control power supply. |
| RES+ switch | Controls automatic speed control functions by Resume/Accel switch (Set/Coast switch) |
| SET- switch | |
| Cancel switches | Cancel switch | Sends cancel signals to ECM. |
| Brake-pedal switch | |
| Transaxle range switch (A/T) | |
| ETC motor | Regulates the throttle valve to the set opening by ECM. |
Description and Operation
TroubleshootingHyundai Elantra AD (2016-2020) Service Manual: Front Disc Brake Components and Components Location
Components
1. Caliper body2. Bleed screw3. Pad return spring4. Brake pad5. Caliper carrier6. Pad inner shim7. Pad retainer
...
Hyundai Elantra AD (2016-2020) Owners Manual: Shift-Lock System. Shift-Lock Release. Parking
Shift-Lock System
For your safety, the dual clutch transmission has a shift-lock system which prevents
shifting the transmission from P (Park) into R (Reverse) unless the brake pedal
is depressed.
To shift the transmission from P (Park) into R (Reverse):
1. Depress and hold the brake pedal.
...