Turn the combination light switch OFF.

Disconnect the negative battery cable, then disconnect the positive cable.

Remove the headlight assembly.

Remove the bulb socket from the HID bulb.

Remove the three mounting screws and the HID unit (A).

Disconnect the 4P connector (B) from the HID unit.

Inspect the gasket for damage, if damaged, replace it.

Install in the reverse order of removal.

Do the headlights initial position learning procedure.