Hyundai Elantra (CN7): Warning and Indicator Lights / Master Warning Light

This indicator light illuminates:

When there is a malfunction in operation in any of the following systems:

-- Forward Collision-Avoidance Assist system malfunction (if equipped)
-- Forward Collision-Avoidance Assist radar blocked (if equipped)
-- Blind-Spot Collision Warning system malfunction (if equipped)
-- Blind-Spot Collision Warning radar blocked (if equipped)
-- High Beam Assist malfunction (if equipped)
-- Lamp malfunction (if equipped)
-- Smart Cruise Control malfunction (if equipped)
-- Tire Pressure Monitoring System (TPMS) malfunction (if equipped)

To identify the details of the warning, look at the LCD display.

    This warning light illuminates: When the fuel tank is nearly empty. Add fuel as soon as possible. NOTICE Driving with the Low Fuel Level warning light on or with the fuel level below "E" can cause the engine to misfire and damage the catalytic converter.

    This warning light illuminates: • When you place the ignition in the ON position. -- It illuminates for approximately 3 seconds and then goes off.

    Other information:

    Hyundai Elantra (CN7) 2021-2026 Service Manual: Mood Lamp

    Repair procedures RemovalMood lamp unit1.Disconnect the negative (-) battery terminal.2.Remove the main crash pad assembly.(Refer to Body - "Main Crash Pad Assembly")3.Loosen the mounting screws and remove the main crash pad air duct (A).4.Loosen the mounting screws and remove the mood lamp unit (A).

    Hyundai Elantra (CN7) 2021-2026 Service Manual: Description and operation

    DescriptionThe immobilizer system will disable the vehicle unless the proper ignition key is used, in addition to the currently available anti-theft systems such as car alarms, the immobilizer system aims to drastically reduce the rate of auto theft.1.

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