1) Turn the ignition switch to OFF.

2) Disconnect the key warning switch harness connector.

3) Prepare the Subaru Select Monitor kit.

4) Turn the ignition switch to ON (engine OFF) and run the “PC application for Subaru Select Monitor”.

5) On the «System Selection Menu», select {Integ. Unit mode}.

6) Select {ECU customizing}.

7) Check {Hazard answer-back setup}, and then switch to ON setting if necessary.

8) Select the {Current Data Display & Save}.

9) Remove the key from ignition switch.

10) When operate the lock/unlock button of keyless transmitter, check the hazard output signal of body integrated unit.