2003 Subaru Impreza Owner's Manual - Page 122

Keys and doors The indicator light provides the following indications. Flashing one time: Any door, the rear gate or the trunk lid has been opened. Flashing three times: The impact sensor in the system's unit has been activated. This may indicate that your vehicle has been shocked or tampered with by some outside force and/or unauthorized person. Flashing four times: The ignition switch has been turned on or the battery has been disconnected. Child safety locks NOTE The battery must be reconnected before the indicator light will flash. To exit this mode, close the door and turn the ignition switch to the "ON" position. 1) Lock 2) Unlock Each rear door has a child safety lock that prevents the doors from being opened even if the inside door handle is pulled. When the child safety lock lever is in the lock position, the door cannot be opened from inside regardless of the position of the inner door handle lock lever. The door can only be opened from the outside. - CONTINUED - 2-21