Maintenance
Hyundai Sonata / Sonata 2011 Owners Manual / Maintenance
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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
or water or other indications of possible trouble.
2. After entering t ...
Valve clearance
Inspect excessive valve noise and/or engine vibration and adjust if necessary.
An authorized HYUNDAI dealer should perform the operation. ...
Maintenance Precautions
Improper or incomplete service may result in problems. This section gives instructions
only for the maintenance items that are easy to perform.
Several procedures should be done by an authorized Hy ...


