Removal procedure
1. Disconnect the cable from the negative battery terminal.
2. Remove the wheel arch trim panel. See Section 9G "interior lining".
3. Disconnect the warning system controller connector.
4. Loosen the nuts and remove the rear obstacle warning controller.
Installation procedure
1. Install rear obstacle warning controller and tighten nuts.
Tighten
Tighten rear obstacle warning controller nuts to 8 Nm (71 lb-in).
2. Connect the warning system controller connector.
3. Install the wheel arch trim panel. See Section 9G "interior lining".
4. Connect the wire to the negative terminal of the battery.