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:
Headrest
The driver's and front passenger's seats are equipped with a headrest for the
occupant's safety and comfort.
The headrest not only provides comfort for the driver and front passenger, ...
Before starting the engine
Before you start the engine, you should always:
1. Look around the vehicle to be sure there are
no flat tires, puddles of oil, water or other
indications of possible trouble.
2. After entering the ...
Maintenance services
You should exercise the utmost care to prevent damage to your vehicle and injury
to yourself whenever performing any maintenance or inspection procedures.
Should you have any doubts concerning the ...


