Sonata 2011 Owners Manual

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Valve clearance
Inspect excessive valve noise and/or engine vibration and adjust if necessary. An authorized HYUNDAI dealer should perform the operation. ...

Breaking in Your New Hyundai
During the First 1200 Miles (2000 Km) No formal "break-in" procedure is required with your new Hyundai. However, you can contribute to the economical operation and durability of your Hyun ...

Driver's and Passenger's Front Airbag
Your Hyundai is equipped with an advanced Supplemental Restraint (Airbag) System and lap/shoulder belts at both the driver and passenger seating positions. The indications of the system's pr ...