HID low beam headlamp bulb, replacing

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CAUTION:

HIGH VOLTAGE!
Always disconnect negative ( - ) battery terminal prior to working on parts of HID headlamp components marked with yellow "HIGH VOLTAGE" warning symbols.
The physical and mechanical properties of HID bulbs are very sensitive. Internal pressure of HID glass bulb may exceed 100 bar (in operation). Bulb temperature may exceed 700 degrees Celsius.
Danger of explosion and burning.

The control modules for HID lamps must never be operated (headlamps turned on) without an HID lamp.
HID bulbs must only be operated (headlamps turned on) when installed in the headlamp housing.
Always wear safety glasses and gloves when removing and installing HID bulb.
Never look directly at an operating HID bulb. The UV emissions of an HID bulb are approximately 2.5 times that of a comparable halogen bulb..

Removing

Remove headlamp → Headlamps, removing and installing .

Fig 1: Removing Screws And Retaining Clip

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Remove screws - 1 - and - 2 -.
Release retaining clip - 3 - in direction of - arrow - and detach housing cover from headlamp housing.

Fig 2: Identifying Electrical Connection, Retaining Clip, And HID Headlamp Bulb

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Disconnect electrical connection - 3 -.
Release retaining clip - 1 - and remove HID headlamp bulb - 2 - from housing.

Faulty HID headlamp bulb disposal → HID headlamp bulb, disposal

Installing

Install in reverse order of removal, noting the following:

CAUTION:

Do not touch glass portion of bulb with bare hands. Even the smallest amount of moisture and/or contaminants from fingers that evaporates on the bulb during operation can cause the glass to cloud over.
When installing housing cover, ensure proper seating. Water intrusion will damage headlamp.

Insert new HID headlamp bulb in housing.

NOTE:

Heed installation position: lug at top of bulb holder must engage in recess of HID headlamp bulb.
Secure HID headlamp bulb with retaining clip.
Secure housing cover with screws and retaining clip.
Install headlamp Installing .
Reconnect battery. Required steps Reconnecting .