Convenient Features of Your Vehicle
Malfunction Indicator Lamp (MIL)
In this manual: Convenient Features of Your Vehicle
~1min read

This indicator light illuminates:
- After you turn the ignition key or Engine Start/Stop button to the ON position.
- Remains on until the engine starts. - If there is a malfunction in the emission control system. In this case, have your vehicle checked by an authorized HYUNDAI dealer.
NOTICE
- Malfunction Indicator Lamp (MIL)
Driving with the Malfunction Indicator Lamp (MIL) illuminated may cause damage to the emission control system, which may affect drivability and/or fuel economy.
NOTICE
If the Malfunction Indicator Lamp (MIL) illuminates, potential catalytic converter damage may occur, which may result in loss of engine power.
In this case, contact an authorized HYUNDAI dealer to have your vehicle inspected.
Test yourself
A quick Hyundai Sonata LF quiz: every answer comes with an explanation and a link to the manual page.
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