The Telematik control unit is located in the electronics box in the area of the front passenger's feet, under the floor mat.
Required consumables/wear parts: Emergency battery.
Withdrawal
Caution: Before disconnecting the battery, it is necessary to activate the service mode of the Telematik control unit, refer to Section Replacing the battery.
1. Disconnect the negative cable (-) battery.
Observe Section instructions Replacing the battery.
2. Remove the bottom facing at rack A, raise a rug.
3. Loosen the cover of the electronics box (arrows on the accompanying illustration)
4. Remove the Telematic control unit from the electronics box.
Caution: Do not turn off the control unit.
5. Remove both screws from the underside of the Telematik control unit (arrows) and remove the cover.
6. Disconnect the connector (1) and take out the emergency battery (2).
Installation
1. Installation is carried out in the reverse order of removal.
2. Connect the negative cable (-) battery.
Follow the instructions in Section Replacing the battery.
Caution: After connecting the battery, the service mode of the Telematic control unit must be deactivated, refer to Section Replacing the battery
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