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7,500 miles (12,000 km) or 6 months
Inspect air cleaner filter Inspect vacuum hose Replace engine oil and filter (7,500 miles (12,000 km) or 12 months) ...

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 ...

Fuel requirements
Your new vehicle is designed to use only unleaded fuel having a pump octane number ((R+M)/2) of 87 (Research Octane Number 91) or higher. Your new vehicle is designed to obtain maximum performance ...