This indicator light comes on after the ignition key is turned to the ON position and then it will go out after the engine is started.
This light also comes on when the EPS is not functioning properly. If it comes on while driving, have your vehicle inspected by an authorized HYUNDAI dealer.
Hyundai Tucson (LM) 2010-2015 Service Manual: ETC (Electronic Throttle Control) System Troubleshooting
Fail-Safe Mode
ItemFail-SafeETC MotorThrottle valve stuck at 7°TPSTPS 1 faultECM looks at TPS2TPS 2 faultECM looks at TPS1TPS 1,2 faultThrottle valve stuck at 7°APSAPS 1 faultECM looks at APS 2APS 2 faultECM looks at APS 1APS 1,2 faultEngine idle state
When throttle v ...
Hyundai Tucson (LM) 2010-2015 Service Manual: Filler-Neck Assembly Repair procedures
Removal
1.
Remove the rear-LH wheel, tire, and the inner wheel house.
2.
Disconnect the fuel filler hose (A) and the ventilation hose (B).
3.
Open the fuel filler door and unfasten the filler-neck assembly mounting screw (A).
4.
Remove the filler-neck assembly from the vehicle after ...