22,500 miles (36,000 km) or 18 months
Hyundai Sonata / Sonata 2011 Owners Manual / Maintenance / Scheduled maintenance service / 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)
See also:
BI-LEVEL HEATING
Your Hyundai is equipped with bi-level heating controls. This makes it possible
to have cooler air from the dashboard vents and warmer air from the floor outlets
at the same time. To use this fe ...
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) ...
Filter replacement
It must be replaced when necessary, and should not be cleaned and reused. You
can clean the filter when inspecting the air cleaner element. Clean the filter by
using compressed air.
1. Loosen ...


