Filter replacement
It must be replaced when necessary, and should not be cleaned and reused. You can clean the filter when inspecting the air cleaner element. Clean the filter by using compressed air.


1. Loosen the air cleaner cover attaching clips and open the cover.

2. Wipe the inside of the air cleaner.
3. Replace the air cleaner filter.
4. Lock the cover with the cover attaching clips.
Replace the filter according to the Maintenance Schedule. If the vehicle is operated in extremely dusty or sandy areas, replace the element more often than the usual recommended intervals. (Refer to “Maintenance under severe usage conditions” in this section.)
CAUTION
• Do not drive with the air cleaner removed; this will result in excessive engine wear.
• When removing the air cleaner filter, be careful that dust or dirt does not enter the air intake, or damage may result.
• Use a HYUNDAI genuine part. Use of non-genuine parts could damage the air flow sensor.
See also:
Recommended Engine Coolant
When adding coolant, use only deionized water or soft water for your vehicle
and never mix hard water in the coolant filled at the factory. An improper coolant
mixture can result in serious malfun ...
SIX-SPEED AUTOMATIC AND MANUAL TRANSMISSIONS
Hyundai's commitment to making the Hyundai Sonata extremely fuel efficient
continues with a six-speed automatic transmission with SHIFTRONIC manual control
or a standard six-speed manual transaxle ...
112,500 miles (180,000 km) or 90 months
❑ Inspect air cleaner filter
❑ Inspect vacuum hose
❑ Inspect manual transaxle fluid (if equipped)
❑ Replace engine oil and filter (112,500 miles (180,000 km) or 180 mont ...


