Hyundai Palisade (LX2): Evaporative Emission Control System / Fuel Filler Cap
Description and operation
A ratchet tightening device on the threaded fuel filler cap reduces the chances
of incorrect installation, which seals the fuel filler. After the gaskets on
the fuel filler cap and the filler neck flange contact each other, the ratchet
produces a loud clicking noise indicating that the seal has been set.

Repair procedures
Removal
1.
Switch "OFF" the ignition and disconnect the negative (-) battery terminal.
2.
Other information:
Description and operation
Description
The climate control air filter is located in the blower unit. It eliminates
foreign materials and odor. The particle filter performs a role as an odor filter
as well as a conventional dust filter to ensure comfortable interior environment.