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
Hyundai Tucson (LM) 2010-2015 Service Manual: Receiver-Drier Repair procedures
Replacement
1.
Remove the condenser, and then remove the bottom cap (B) with L wrench (A) from the condenser.
Tightening torque :
20 ~ 25 N.m (2.0 ~ 2.5 kgf.m, 14.5 ~ 18.2 lb-ft)
2.
Remove the desiccant (A) from condenser using a long nose plier. Check for crumbled desiccant and cl ...
Hyundai Tucson (LM) 2010-2015 Service Manual: Relay Box (Passenger Compartment) Repair procedures
Inspection
Fuse
1.
Be sure there is no play in the fuse holders, and that the fuses are held securely.
2.
Are the fuse capacities for each circuit correctx
3.
Are there any blown fusesx
If a fuse is to be replaced, be sure to use a new fuse of the
same capacity. Always determine why ...