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 «System Selection Menu» display, select {Integ. unit mode}.

6) Select {ECM customizing}.

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

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

9) Select the {Hazard Output}.

10) Remove the key from ignition switch.