| 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) Owners Manual: Gauges
Speedometer
The speedometer indicates the speed of the vehicle and is calibrated in miles
per hour (mph) and/or kilometers per hour (km/h).
Tachometer
The tachometer indicates the approximate number of engine revolutions per minute
(rpm).
Use the tachometer to select the correct shift po ...
Hyundai Elantra AD (2016-2020) Owners Manual: Forward Collision Avoidance Assist Warning Light, Lane Keeping Assist (LKA)
System Indicator Light
Forward Collision Avoidance Assist Warning Light (if equipped)
This warning light illuminates :
When you set the ignition switch or Engine Start/Stop button to the ON position.
- It illuminates for approximately 3 seconds and then goes off.
When there is a malfunction with FCA. In this ca ...