Interior Lighting and Upper Electronic Module (UEM)

Interior Lighting And Upper Electronic Module (UEM), Replacing

Replacing the lens and the bulb

Removal







- Fold down the cover.
- Press the catches outwards. Remove the lens
- Remove the bulb. Use a weatherstrip tool or similar.

Installation
- Install the bulb
- Press the lens into place
- Press the cover into place.

Replacing the bulb holder in the rear view mirror unit
The upper electronic module (UEM) is integrated in the rear view mirror.

Removal
- Remove the lens
- Remove the 2 screws at the front edge







- Press the 2 rear catches forward
- Press two of the catches on one side inwards. Remove the bulb holder
- Disconnect the 2 connectors
- Disconnect the ground lead.

HINT: Only certain versions of the upper electronic module (UEM) have a ground lead.







- Remove the cover over the connector for the rear view mirror and control module.







- Flip the anti-dazzle button toward the lens. Disconnect the connector in the rear view mirror and control module by pressing the catch through the opening. Use a screwdriver
- Remove the bulb holder together with the rear view mirror and control module.

Installation
- Connect the connector for the rear view mirror and control module
- Reinstall the cover for the rear view mirror and control module connector
- Connect the 2 connectors
- Install the ground lead
- Press the bulb holder into place
- Install the 2 screws at the front edge.

CAUTION: Check that the microphone cable is not trapped (if applicable).

- Install the lens.

HINT: Only certain versions of the upper electronic module (UEM) have a ground lead.

Replacing the switch for the interior lighting

Removal
- Remove the lens.
- Remove the bulb holder.
- Remove the bulbs
- Remove the screws
- Remove the back piece from the switch
- Detach and remove the printed circuit board and switch.
- Replace the switch for the sun roof.

Installation
- In reverse order.

Rear view mirror, replacing

NOTE: A rear view mirror with manual function cannot be replaced with automatic anti-dazzle or vice versa. The car will store diagnostic trouble codes (DTCs).

The upper electronic module (UEM) is integrated in the rear view mirror.