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 heater unit includes mode control actuator and temperature control actuator.
The temperature control actuator is located at the heater unit. It regulates
the temperature by the procedure as follows.