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/InstallationWindshield Defrosting and
Defogging
Set the mode selector dial to the
position and turn the fan control dial to the
desired speed.
In this position, the outside air position is automatically selected, and when
the fan control dial is ON, the air conditioner automatically turns on. The air
conditioner will directly dehumidify ...
Glass Panel Removal/Installation
1. Fully close the glass panel.
2. Fully open the sunshade.
3. Remove the screws, and then remove the glass panel.
4. Peel the weatherstrip off the glass panel.
5. Install in the reverse order of removal.
6. Adjust the glass panel.. ...
DRL (Daytime Running Light) Bulb Removal/Installation
MZR 2.0, MZR 2.5, MZR 2.3 DISI Turbo
1. Disconnect the negative battery cable..
2. Disconnect the connector.
3. Rotate the DRL bulb in the direction of the arrow shown in the figure to remove
it.
4. Remove the DRL bulb.
5. Install in the reverse order of removal.
SKYACTIV-G 2.0
...