| Troubleshooting |
| Symptom | Suspect area | Remedy |
| Charging warning indicator does not light with ignition switch "ON" and engine off. | Fuse blown | Check fuses |
| Light burned out | Replace light | |
| Wiring connection loose | Tighten loose connection | |
| Electronic voltage regulator | Disconnect the voltage regulator to see if light turns off. If light turns off, replace voltage regulator. | |
| Charging warning indicator does not go out with engine running. (Battery requires frequent recharging) | Drive belt loose or worn | Adjust belt tension or replace belt |
| Battery cable loose, corroded or worn | Inspect cable connection, repair or replace cable | |
| Electronic voltage regulator or alternator | Disconnect the voltage regulator or alternator to see if light turns off. If light turns off, replace voltage regulator. | |
| Wiring | Repair or replace wiring | |
| Overcharge | Electronic voltage regulator | Disconnect the voltage regulator to see if light turns off. If light turns off, replace voltage regulator. |
| Voltage sensing wire | Repair or replace wiring | |
| Discharge | Drive belt loose or worn | Adjust belt tension or replace belt |
| Wiring connection loose or short circuit | Inspect wiring connection, repair or replace wiring | |
| Electronic voltage regulator or alternator | Disconnect the voltage regulator or alternator to see if light turns off. If light turns off, replace voltage regulator. | |
| Poor grounding | Inspect ground or repair | |
| Worn battery | Replace battery |
Repair procedures
Alternator Description and OperationHyundai Elantra AD (2016-2020) Service Manual: Power Door Locks
Components and Components Location
Component Location
1. DDM (Driver Door Module)2. ADM (Assist Door Module)3. SJB (Smart Junction Block)4. Door lock knob5. Trunk lid actuator6. Door latch module7. Door lock/unlock switch8. RLDM (Rear Left Door Module)9. RRDM (Rear Right Door Module)
Power D ...
Hyundai Elantra AD (2016-2020) Owners Manual: Warning and Indicator lights. Parking Brake & Brake Fluid Warning Light
Information
Make sure that all warning lights are OFF after starting the engine. If any
light is still ON, this indicates a situation that needs attention.
Supplemental Restraint System Warning Light
This warning light illuminates:
Once you set the ignition switch or the Engine Start/Stop ...