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:
TRUNK LID/TAIL GATE
WARNING:
The trunk lid or the tail gate should always be kept completely closed while
the vehicle is in motion. If it is left open or ajar, poisonous exhaust gases may
enter the car resulting in ...
Higher speed motoring
Pre-Trip Inspections
1. Tires:
Adjust the tire inflation pressures to specification.
Low tire inflation pressures will result in
overheating and possible failure of the tires.
Avoid using worn or ...
127,500 miles (204,000 km) or 102 months
❑ Inspect air cleaner filter
❑ Inspect vacuum hose
❑ Replace engine oil and filter (127,500 miles (204,000 km) or 204 months) ...


