See also:

Checking and changing the engine coolant
WARNING: Do not remove the radiator cap when the engine is hot. When the engine is hot, the engine coolant is under pressure and may erupt through the opening if the cap is removed. You could be ...

Before starting the engine
Before you start the engine, you should always: 1. Look around the vehicle to be sure there are no flat tires, puddles of oil, water or other indications of possible trouble. 2. After entering the ...

Valve clearance
Inspect excessive valve noise and/or engine vibration and adjust if necessary. An authorized HYUNDAI dealer should perform the operation. ...