Spark plugs
Hyundai Sonata / Sonata 2011 Owners Manual / Maintenance / Explanation of scheduled maintenance items / Spark plugs
Make sure to install new spark plugs of the correct heat range.
See also:
37,500 miles (60,000 km) or 30 months
❑ Inspect air cleaner filter
❑ Inspect vacuum hose
❑ Inspect manual transaxle fluid (if equipped)
❑ Replace engine oil and filter (37,500 miles (60,000 km) or 60 months) ...
Owner maintenance schedule
When you stop for fuel:
• Check the engine oil level.
• Check coolant level in coolant reservoir.
• Check the windshield washer fluid level.
• Look for low or under-inflated tires.
WARNING
Be ca ...
Air conditioning
Press the A/C button to turn the air conditioning system on (indicator light
will illuminate). Press the button again to turn the air conditioning system off. ...


