See also:

22,500 miles (36,000 km) or 18 months
❑ Inspect air cleaner filter ❑ Inspect vacuum hose ❑ Replace engine oil and filter (22,500 miles (36,000 km) or 36 months) ...

2011 Hyundai Sonata review by G. Chambers Williams III
Among them is the newest generation of Hyundai's midsize sedan, the Sonata, now available in dealerships as an early 2011 model. The South Korean automaker introduced the new model to automotive j ...

Use High Quality Ethylene Glycol Coolant
Your Hyundai is delivered with high quality ethylene glycol coolant in the cooling system. It is the only type of coolant that should be used because it helps prevent corrosion in the cooling syst ...