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:
Checking the engine oil
Engine oil is essential to the performance and
service of the engine. It is suggested that you
check the oil level at least once a week in normal
use and more often if you are on a trip or driving
...
SRS Care
The SRS is virtually maintenance-free and so there are no parts you can safely
service by yourself. If the SRS air bag warning light ""
does not illuminate, when you turn the ignition on ...
Tire rotation
Tires should be rotated every 7,500
miles (12,000 km). If you notice that
tires are wearing unevenly between rotations,
have the car checked by a
Hyundai dealer so the cause may be
corrected.
...


