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) Owners Manual: Engine Coolant
The high-pressure cooling system has a reservoir filled with year-round antifreeze
coolant. The reservoir is filled at the factory.
Check the antifreeze protection and coolant level at least once a year, at the
beginning of the winter season and before traveling to a colder climate.
Checking th ...
Hyundai Elantra AD (2016-2020) Service Manual: AUX jack Description and Operation
Description
The multimedia jack on the console upper cover is for
customers who like to listen to external portable music players like the
MP3 etc., through the vehicle's sound system when it is linked to this
jack. The customer has this added option.
In case of distortions from media conn ...