1. Disconnect the negative battery cable..
2. Disconnect the connector..
3. Verify the resistance between bass-box terminals.

If not within the specification, replace the bass-box.

0.9—1.1 ohms
Auxiliary Jack/Usb Port Removal/Installation
Bass Box Removal/InstallationIf a warning light turns on or a warning buzzer sounds
If any warning indicator illuminates or a buzzer is activated in
your Subaru Solterra, remain calm and take appropriate action. A warning light that
briefly turns on and then goes off does not always indicate a malfunction. However,
if the issue repeats or persists, it is recommended to have t ...
If the vehicle becomes stuck
If your Subaru Solterra becomes immobilized in mud, snow, or loose
terrain, follow the steps below to safely regain traction and mobility.
Recovering procedure
1. Turn off the EV system, apply the parking brake, and set the gear selector
to P.
2. Clear away mud, snow, or sand from around the ...
Glass Panel Adjustment
1. Fully close the glass panel.
2. Measure the gap and height between the glass panel and body.
If not as specified, loosen the glass panel installation screws and reposition
the glass panel.
Clearance (4SD)
a: -2.4—0.2 mm {-0.09—0.01 in}
b: 0 mm {0 in}
...