See also:

WORLD CLASS POWER-TO-WEIGHT RATIO
One of the program targets for the 2011 Sonata engineering team was world-class power-to-weight ratio. Power-to-weight ratio pays dividends in both performance and fuel economy. Hyundai Sonata i ...

Do not operate the engine within the tachometer's RED ZONE. This may cause severe engine damage.
Engine temperature gauge This gauge shows the temperature of the engine coolant when the ignition switch is ON. Do not continue driving with an overheated engine. If your vehicle overheats, re ...

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 ...