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:
Maintenance Requirements
The maintenance required for your Hyundai can be divided into three main areas:
o Specified scheduled procedures
o General checks
o Do-it-yourself maintenance ...
52,500 miles (84,000 km) or 42 months
❑ Inspect air cleaner filter
❑ Inspect vacuum hose
❑ Replace engine oil and filter (52,500 miles (84,000 km) or 84 months) ...
Locking and Unlocking Front Doors with a Key
o The door can be locked or unlocked with a key.
o Lock the door by turning the key toward the front of the vehicle and unlock it
by turning the key toward the rear.
NOTE:
o The driver's do ...


