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: Description and Operation
Description
LKAS (Lane Keeping Assist System) : The system is designed to
help recognize the lane ahead and to give off a lane departure warning
when the vehicle starts moving out of the lane by using the camera image
and vehicle signal information.
LKAS Controller Typical Operating Condit ...
Hyundai Elantra AD (2016-2020) Service Manual: Cruise Control Switch Components and Components Location
Components
1. Remote control switch (LH)2. Remote control switch (RH)
...