Installing bulb for dipped headlightsInstalling bulb for dipped headlights  - Changing bulbs for headlights - Fuses and bulbs - Self-help - Audi A4 Owner's Manual - Audi A4

When installing a bulb, the lug on the base of the bulb must be inserted into the appropriate mounting on the bulb housing.

Bulb with connector: The lug on the base of the bulb is highlighted

Bulb with connector: The lug on the base of the bulb is highlighted

Inserting bulb for dipped headlights

Inserting bulb for dipped headlights

Attach the new bulb to the connector ⇒  Insert the bulb carefully into the bulb housing. Start by placing the base of in Changing bulbs on page 304.
Insert the bulb carefully into the bulb housing. Start by placing the base of the bulb directly behind one of the retaining hooks so that the lug fits into the recess on the bulb housing.
Press the connector in the direction of the arrow, fig. 297 until the bulb engages.
Check that the bulb is securely seated in the bulb housing.
Fit the cover.
Install the headlight.
Check whether the new bulb is working.
Have the headlight settings checked.