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:
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 ...
Blade replacement
When the wipers no longer clean adequately, the blades may be worn or cracked,
and require replacement.
CAUTION
To prevent damage to the wiper arms or other components, do not attempt to move
th ...
Seat Cushion Height Adjustment (Driver's Seat only)
To raise or lower the front part of the seat cushion, turn the knob forward or
rearward. ...


