If the fuel filter warning light comes on while driving, water has accumulated in the filter. In such a case, remove the water as described below.
1. Remove the engine cover.
2. Disconnect the air intake hose from the air filter cover.
3. Remove the drain plug at the bottom of the fuel filter.
4. Screw on the plug after the water stops flowing out.
5. Make sure. that the indicator light comes on when the ignition key is turned to the "O# ("On") and goes out after starting the engine.
In case of difficulty, consult your authorized Hyundai dealer.
Note: It is recommended to remove water from the fuel filter at an authorized Hyundai dealer.
Warning: Thoroughly wipe off water from engine parts as fuel dissolved in water can ignite.