1. Clean the filament using isopropyl alcohol.
2. Attach tape to both sides of the filament.

3. Using a small brush or marking pen, apply silver paint.
4. After 2—3 min,
carefully remove the tape without damaging the applied area.
CAUTION:
Do not operate the rear window defroster until the paint is completely dry. It may cause other malfunctions if it is used before the paint is dry.
5. Dry the repaired part according to the following procedure.
When the room temperature is 25 °C {77 °F},
leave it as it is for 24 h.
When a hot air blower is used, dry with the 150 °C {302 °F}
air for 30 min.
Filament Inspection
Front Door Glass Removal/InstallationPassenger Compartment Temperature Sensor Removal/Installation [Full Auto Air
Conditioner]
1. Disconnect the negative battery cable..
2. Remove the following parts:
a. Front scuff plate.
b. Front side trim.
c. Dashboard under cover.
d. Upper panel.
e. Shift lever knob (MTX).
f. Selector lever knob (ATX).
g. Shift panel.
h. Side wall.
i. Console.
j. Hood release lever ...
Positive Crankcase Ventilation (PCV) Valve Inspection [Mzr 2.0, Mzr 2.5]
Airflow Inspection
1. Disconnect the section (A) of the ventilation hose shown in the figure.
2. Start the engine and verify that vacuum is applied to the end of the disconnected
ventilation hose while the engine is idling.
NOTE:
Because it is difficult to directly inspect the PC ...
Air conditioning filter
To ensure optimal performance of the climate control system in your
Subaru Solterra, the air conditioning filter must be inspected and replaced at regular
intervals.
A clean air conditioning filter in the Subaru Solterra not only improves
airflow efficiency but also enhances cabin air quality ...