The engine air cleaner/filter is in the engine compartment on the passenger side of the vehicle. See Engine Compartment Overview.
When to Inspect the Engine Air Cleaner/Filter
For intervals on changing and inspecting the engine air cleaner/ filter, see Maintenance Schedule.
Diesel Particulate Filter
The Diesel Particulate Filter (DPF)
system filters soot particles out of
the exhaust gases. The system
includes a self-cleaning function that
runs automatically during driving
without any notification. The filter is
cleaned by periodically burning off
the soot particles at high
temperature. ...