Downloading software
Download new software. See Interior lighting and upper electronic module (UEM), replacing .
Do not replace the control module.
HINT: If diagnostic trouble code (DTC) UEM-E001 is stored, communication with the control module cannot be established. This can be remedied in two ways.
- Press the remote control button for local lighting
- Remove fuse 11C/28 from the fusebox in the passenger compartment. Reinstall the fuse again.
- Continue
Refer to Checking the interior lighting