52,500 miles (84,000 km) or 42 months
Hyundai Sonata / Sonata 2011 Owners Manual / Maintenance / Scheduled maintenance service / 52,500 miles (84,000 km) or 42 months
❑ Inspect air cleaner filter ❑ Inspect vacuum hose ❑ Replace engine oil and filter (52,500 miles (84,000 km) or 84 months)
See also:
Spark plugs
Make sure to install new spark plugs of the correct heat range. ...
Headlight aiming adjustment
Before performing aiming adjustment, make
sure of the following.
1. Keep all tires inflated to the correct pressure.
2. Place the vehicle on level ground and press
the front bumper & rear bump ...
Manual heating and air conditioning
The heating and cooling system can be controlled manually by pressing buttons
or turning knob(s) other than the AUTO button. In this case, the system works sequentially
according to the order of b ...


