Gasolines for cleaner air
Hyundai Sonata / Sonata 2011 Owners Manual / Introduction / Fuel requirements / Gasolines for cleaner air
To help contribute to cleaner air, HYUNDAI recommends that you use gasolines treated with detergent additives, which help prevent deposit formation in the engine. These gasolines will help the engine run cleaner and enhance performance of the Emission Control System.
See also:
Bulb wattage
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Headrest
The driver's and front passenger's seats are equipped with a headrest for the
occupant's safety and comfort.
The headrest not only provides comfort for the driver and front passenger, ...
Instrument panel vents
The outlet vents can be opened or closed separately using the thumbwheel.
Also, you can adjust the direction of air delivered from these vents using the
vent control lever as shown. ...


