Removal procedure
1. Disconnect the cable from the negative battery terminal.
2. Remove the driver's knee buffer. See Section 9G "interior lining".
3. Disconnect the warning system connector.
4. Loosen the screw and remove the rear obstacle warning system unit.
Installation procedure
1. Install the rear obstacle warning system unit and tighten the screw.
Tighten
Tighten the rear obstacle warning unit screw to 4 Nm (36 lb-in).
2. Connect the connector of the warning system unit.
3. Install the driver's knee buffer. See Section 9G "interior lining".
4. Connect the wire to the negative terminal of the battery.