Programming and Relearning

Service Mode, Activating/Deactivating

CAUTION:
- Telephone/Telematics Control Module J526 must be put in service mode before disconnecting Battery A.
- If this is not done, the Emergency Battery (Telematics) A16 in Telephone/Telematics Control Module J526 is discharged.

Service mode, activating
- Switch Telematics on.
- Press button sequence "#4610#" on the Telephone Handset R37.
- Confirm entry by pressing Navi button on Telephone Handset R37

Shown on display:

Leave service mode

Service mode is activated, Battery A can be disconnected.

Service mode, deactivating

The Battery A is connected.
Telematics is switched on.

Shown on display:

Leave service mode

- Press the Navi button on the Telephone Handset R37

Service mode is deactivated.