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.
See also:
22,500 miles (36,000 km) or 18 months
❑ Inspect air cleaner filter
❑ Inspect vacuum hose
❑ Replace engine oil and filter (22,500 miles (36,000 km) or 36 months) ...
General checks
Engine Compartment
The following should be checked regularly:
o Engine oil level and condition.
o Transaxle fluid level and condition.
o Brake fluid level.
o Clutch fluid level.
o Engine coolant ...
Tires and wheels
...