Except Avalanche and Escalade EXT
1. Remove finishing of a back rack.
2. Disconnect the antenna connector (1).
3. Slide the central locking remote control unit (2) and take it off.
4. Disconnect the connector.
Note: After installing the central locking remote control unit, perform the authorization procedure.
5. Install in the reverse order of removal.
Avalanche and Escalade EXT
1. Deactivate the passive safety system.
2. Remove finishing of a back rack.
3. Remove the rear top trim.
4. Disconnect the antenna connector (1).
5. Slide the central locking remote control unit (2) and take it off.
6. Disconnect the connector.
Note: After installing the central locking remote control unit, perform the authorization procedure.
7. Install in the reverse order of removal.