See also:

Catalytic converter
(If installed) Hyundai vehicles are equipped with a monolith type three-way catalytic converter to reduce the carbon monoxide, hydrocarbons and nitrogen oxides contained in the exhaust gas. Exha ...

Changing the engine oil and filter
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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 ...