Master Warning Light
This indicator light illuminates
• When there is a malfunction in operation in any of the following systems:
- Exterior lamp malfunction
- Blind-Spot Collision Warning (BCW) malfunction (if equipped)
- Lane Keeping Assist (LKA) System malfunction (if equipped)
- Tire Pressure Monitoring System (TPMS)
- Service reminder
To identify the details of the warning, look at the LCD display.
Door Ajar Warning Light (for conventional cluster)
This warning light illuminates:
• When a door is not closed securely.
Trunk Open Warning Light (for conventional cluster)
This warning light illuminates:
• When the trunk is not closed securely.
Hood Open Warning Light (for conventional cluster)
This warning light illuminates:
• When the hood is not closed securely.
Hyundai Elantra AD (2016-2020) Service Manual: Troubleshooting
Troubleshooting
Ignition System
SymptomSuspect AreaRemedyEngine will not start or is hard to start (Cranks OK)Ignition lock switchInspect ignition lock switch, or replace as requiredIgnition coilInspect ignition coil, or replace as requiredSpark plugsInspect spark plugs, or replace as requir ...
Hyundai Elantra AD (2016-2020) Service Manual: Relay Box (Engine Compartment) Components and Components Location
Component Location
Engine Room Junction Block
Metal Core Block (PCB) ...