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:
Cooling system
Check cooling system components, such as radiator, coolant reservoir, hoses and
connections for leakage and damage. Replace any damaged parts. ...
Key positions
Key positions
CAUTION:
The engine should not be turned off or the
key removed from the ignition key cylinder
while the car is in motion. The steering
wheel is locked by removing the key.
o &qu ...
90,000 miles (144,000 km) or 72 months
❑ Inspect vacuum hose
❑ Inspect air conditioning refrigerant
❑ Inspect brake hoses and lines
❑ Inspect drive shafts and boots
❑ Inspect electronic throttle contr ...


