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)
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Economical operation
Your vehicle's fuel economy depends mainly on your style of driving, where you
drive and when you drive.
Each of these factors affects how many miles (kilometers) you can get from a
gallon (l ...
Armed Stage
Park the car and stop the engine. Arm the system as described in the following
paragraph.
1) Remove the ignition key from the ignition switch.
2) Make sure that all doors, tail gate (3 Door) and ...
Check Fuel Filler Cap Warning Light
This warning light indicates the fuel filler cap is not tight securely. Always
make sure that the fuel filler cap is tight. ...


