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.
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Full-time 4WD operation
(If installed)
Engine power can be delivered to all wheels.
Full-time 4WD is useful when good traction is
required, such as, when driving on slippery, wet
or snow-covered roads and when moving out ...
Unlocking
Using the door handle switch
Press the button of the driver’s outside door handle with all doors closed and
locked, unlocks the driver’s door. The hazard warning lights will blink and the
chime w ...
Brake hoses and lines
Visually check for proper installation, chafing, cracks, deterioration and any
leakage. Replace any deteriorated or damaged parts immediately. ...


