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:
45,000 miles (72,000 km) or 36 months
❑ Inspect air cleaner filter
❑ Inspect vacuum hose
❑ Inspect air conditioning refrigerant
❑ Inspect brake hoses and lines
❑ Inspect drive shafts and boots
d ...
Charging System Warning Light
The charging system warning light should come on when the ignition is turned on, then go out when the engine is running. If the light stays on while the engine is running, there is a mal ...
Drive belts
Inspect all drive belts for evidence of cuts, cracks, excessive wear or oil saturation
and replace if necessary. Drive belts should be checked periodically for proper
tension and adjusted as neces ...


