Changing the engine oil and filter
Hyundai Sonata / Sonata 2011 Owners Manual / Maintenance / Engine oil / Changing the engine oil and filter

See also:
Coolant
The coolant should be changed at the intervals specified in the maintenance schedule. ...
Vacuum crankcase ventilation hoses
Inspect the surface of hoses for evidence of heat and/or mechanical damage. Hard
and brittle rubber, cracking, tears, cuts, abrasions, and excessive swelling indicate
deterioration. Particular att ...
Curtain air bag
Curtain air bags are located along both sides of the roof rails above the front
and rear doors.
They are designed to help protect the heads of the front seat occupants and the
rear outboard s ...


