When the ignition switch is placed to the ON position, the ESC indicator light illuminates, then goes off if the ESC system is operating normally.
The ESC indicator light blinks whenever the ESC is operating.
If ESC indicator light stays on, your vehicle may have a malfunction with the ESC system. When this warning light illuminates have your vehicle checked by an authorized HYUNDAI dealer as soon as possible.
The ESC OFF indicator light comes on when the ESC is turned off with the button.
WARNING
When the ESC is blinking, this indicates the ESC is active: Drive slowly and NEVER attempt to accelerate. NEVER press the ESC OFF button while the ESC indicator light is blinking or you may lose control of the vehicle resulting in an accident.
CAUTION
Driving with varying tire or wheel sizes may cause the ESC system to malfunction. When replacing tires, make sure they are the same size as your original tires for this vehicle.
Hyundai Tucson (LM) 2010-2015 Service Manual: Heater & A/C Control Unit(Dual) Repair procedures
Self Diagnosis
1.
Self-diagnosis process
2.
How to read self-diagnostic code
After the display panel flickers three times every 0.5
second, the corresponding fault code flickers on the setup temperature
display panel every 0.5 second and will show two figures. Codes are
displayed in n ...
Hyundai Tucson (LM) 2010-2015 Service Manual: Special Service Tools
Special Service Tools
Tool (Number and Name)IIIustrationUse09568-34000Ball joint remover
...