See also:

To enter the passive mode
If you wish to program the passive arming mode, have it done by your SUBARU dealer. ...

Power switch and volume control
The dial is used for both power (ON/OFF) and volume control. The radio is turned ON and OFF by pressing the dial, and the volume is controlled by turning the dial. ...

Changing the batteries
CAUTION ● Do not let dust, oil or water get on or in the remote engine start transmitter when replacing the battery. ● Be careful not to damage the printed circuit board in the remote ...