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: Components and positions
C
Hyundai Elantra (CN7) 2021-2026 Service Manual: In-car Sensor
Description and operation DescriptionThe In-car air temperature sensor is built in the heater & A/C control unit.The sensor contains a thermistor which measures the temperature of the inside. The signal decided by the resistance value which changes in accordance with perceived inside temperature, is delivered to heater control unit and accor
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