52,500 miles (84,000 km) or 42 months
Hyundai Sonata / Sonata 2011 Owners Manual / Maintenance / Scheduled maintenance service / 52,500 miles (84,000 km) or 42 months
❑ Inspect air cleaner filter ❑ Inspect vacuum hose ❑ Replace engine oil and filter (52,500 miles (84,000 km) or 84 months)
See also:
Air conditioning refrigerant
Check the air conditioning lines and connections for leakage and damage. ...
Seat Belt Warning Light and Chime
The driver's seat belt warning light and chime will activate to the following
table when the ignition switch is in "ON" position.
*1) Warning pattern repeats 11 times with an inte ...
Maintenance under Severe Usage Conditions
The following items must be serviced more frequently on cars normally used under
severe driving conditions. Refer to the chart below for the appropriate maintenance
intervals.
R : Replace I : Ins ...


