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:
Recommended cold tire inflation pressures
Tire label located on the driver's side of
the center pillar outer panel gives the
cold tire pressures recommended for
your vehicle with the original tire size,
the number of people that can be ...
Air cleaner filter
A Genuine HYUNDAI air cleaner filter is recommended when the filter is replaced. ...
1. Crankcase emission control system
The positive crankcase ventilation system is employed to prevent air pollution
caused by blow-by gases being emitted from the crankcase. This system supplies fresh
filtered air to the crankcase th ...


