Hyundai Tucson: Warnings and indicators / Malfunction indicator (MIL) (check engine light)

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 malfunction 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 switch 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

Immobilizer indicator (if equipped)
Without smart key system This indicator illuminates when the immobilizer key is inserted and turned to the ON position to start the engine. At this time, you can start the engine. The indicator ...

ESC indicator (Electronic Stability Control)
The ESC indicator will illuminate when the ignition switch is turned ON, but should go off after approximately 3 seconds. When the ESC is on, it monitors the driving conditions and under normal ...

Other information:

Hyundai Tucson (LM) 2010-2015 Service Manual: General Information
General Information The supplemental restraint system (SRS) is designed to supplement the seat belt to help reduce the risk or severity of injury to the driver and passenger by activating and deploying the driver, passenger, side airbag and belt pretensioner in certain frontal or side col ...

Hyundai Tucson (LM) 2010-2015 Service Manual: Valve Body Description and Operation
Description The valve body is essential to automatic transaxle control and consists of various valves used to control the oil feed from the oil pump. Specifically, these valves consist of pressure regulator valves, oil redirection valves, shift valves, and manual valves. ...

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