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.
Headlight Warning Light, LED Headlight Warning Light
Icy Road Warning Light, Electronic Stability Control (ESC) Indicator LightHyundai Elantra AD (2016-2020) Service Manual: Smart Cruise Control Switch Repair procedures
Inspection
[Measuring Resistance]
1.
Disconnect the cruise control switch connector from the control switch.
2.
Measure resistance between terminals on the control switch when each function switch is ON (switch is depressed).
Function switchTerminalResistanceSET -2 - 5550?±5%RES +2 - ...
Hyundai Elantra AD (2016-2020) Service Manual: Components and Components Location
Components
1. Rear seat back assembly [LH]2. Rear seat back assembly [RH]3. Rear back armrest4. Rear seat cushion assembly
...