Air conditioning
Hyundai Sonata / Sonata 2011 Owners Manual / Features of your vehicle / Manual climate control system / Air conditioning

Press the A/C button to turn the air conditioning system on (indicator light will illuminate). Press the button again to turn the air conditioning system off.
See also:
Spark Plugs
Make sure to install new spark plugs of the correct heat range. ...
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 s ...
135,000 miles (216,000 km) or 108 months
❑ Inspect air cleaner filter
❑ Inspect vacuum hose
❑ Inspect air conditioning refrigerant
❑ Inspect brake hoses and lines
❑ Inspect drive shafts and boots
d ...


