Hyundai Azera 2017 Owner's Manual page 424

Maintenance
4. Replace the air cleaner filter.
Reassemble in the reverse order
of disassembly.
7-36
i Information
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 chapter).
NOTICE
OIG076014
• Do not drive with the air cleaner
filter 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 HYUNDAI genuine parts,
use of non-genuine parts could
damage the air flow sensor.