Hyundai Elantra HD: Malfunction indicator lamp (MIL) (check engine light) - Warnings and indicators - Instrument cluster - Features of your vehicle - Hyundai Elantra HD 2006–2010 Owners ManualHyundai Elantra HD: Malfunction indicator lamp (MIL) (check engine light)

This indicator light is part of the Engine Control System which monitors various

This indicator light is part of the Engine Control System which monitors various emission control system components. If this light illuminates while driving, it indicates that a potential problem has been detected somewhere in the emission control system.

This light will also illuminate when the ignition switch is turned to the ON position, and will go out in a few seconds after the engine is started. If it illuminates while driving, or does not illuminate when the ignition key is turned to the ON position, take your vehicle to your nearest authorized Hyundai dealer and have the system checked.

Generally, your vehicle will continue to be drivable, but have the system checked by an authorized Hyundai dealer promptly.

CAUTION CAUTION

  • Prolonged driving with the Emission Control System Malfunction Indicator Light (to the emission control systems which could effect drivability and/or fuel economy.) illuminated may cause damage to the emission control systems which could effect drivability and/or fuel economy.
  • If the Emission Control System Malfunction Indicator Light (illuminates, potential catalytic converter damage is possible which could result) illuminates, potential catalytic converter damage is possible which could result in loss of engine power. Have the Engine Control System inspected as soon as possible by an authorized Hyundai dealer.
Low fuel level warning
This warning light indicates the fuel tank is nearly empty. When it comes on, you should add fuel as soon as possible. Driving with the fuel level warning light on or with the fuel level below â ...

Low washer fluid level warning indicator (if equipped)
This warning light indicates the washer fluid reservoir is near empty. Refill the washer fluid as soon as possible. ...