Valve clearance
Hyundai Sonata / Sonata 2011 Owners Manual / Maintenance / Explanation of scheduled maintenance items / Valve clearance
Inspect excessive valve noise and/or engine vibration and adjust if necessary. An authorized HYUNDAI dealer should perform the operation.
See also:
Luggage Compartment Light
1. Open the trunk lid (4 Door) or tail gate (3 Door).
2. Carefully remove the cover with a flathead screwdriver.
3. Replace with a new bulb. ...
Adding Oil
If the oil level is close to or below the "L" mark, add oil until it reaches
the "F" mark. To add oil:
1. Remove the oil filler cap by turning it counterclockwise.
2. Add oil ...
Brake hoses and lines
Visually check for proper installation, chafing, cracks, deterioration and any
leakage. Replace any deteriorated or damaged parts immediately. ...


