Purpose, Function
The AM/FM radio waves and RDS-TMC (Radio Data System-Traffic Message Channel) radio waves are converted to an electrical signal and the signal is sent to the audio unit.
The RDS-TCM (Radio Data System-Traffic Message Channel) converts radio broadcast waves to electric signals and sends the signals to the audio unit.
Construction
An antenna with excellent noise resistance has been adopted to the rear window glass.

Fail-safe
Function not equipped.
Front Power Window Regulator Removal/Installation
Glass Antenna InspectionBrake Fluid Level Sensor Inspection
1. Disconnect the brake fluid level sensor connector from the master cylinder.
2. Inspect for continuity according to fluid level between the brake fluid level
sensor terminals.
If not as indicated in the table, replace the reserve tank.
...
RSA (Road Sign Assist)
In the Subaru Solterra, the Road Sign Assist (RSA) system uses the
front camera and, when available, navigation data to identify traffic signs such
as speed limits and restrictions. Once recognized, the system provides clear visual
alerts and, when necessary, audible warnings to help keep the ...
Map Light Bulb Removal/Installation
1. Disconnect the negative battery cable..
2. Insert a tape-wrapped fastener remover into the service hole and pry with
the screwdriver in the direction shown by the arrow to remove the lens.
3. Remove the map light bulb.
4. Install in the reverse order of removal. ...