Change to "winter weight" oil if necessary
Hyundai Sonata / Sonata 2011 Owners Manual / Driving your vehicle / Winter driving / Change to "winter weight" oil if necessary
In some climates it is recommended that a lower viscosity "winter weight" oil be used during cold weather. See section 8 for recommendations. If you aren't sure what weight oil you should use, consult an authorized HYUNDAI dealer.
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When to Wax Again
You should polish and wax the car again when water no longer beads on a clean
surface but spreads out over a larger area. ...
Engine
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Carry emergency equipment
Depending on the severity of the weather where you drive your car, you should
carry appropriate emergency equipment. Some of the items you may want to carry include
tire chains, tow straps or chai ...