Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2021 Subaru Forester BaseFACTORY OEM SERVICE PROCEDURE
System Inspection
| Symptoms | Inspection order |
|---|---|
| Rear window defogger does not operate. |
|
NOTE:
Settings of the rear window defogger system continuous operation can be changed using the Subaru Select Monitor, when the customize setting [Auto A/C Setting] of the body integrated unit is set to [-].
| System name | Initial setting | Customize setting |
|---|---|---|
| Rr Defogger op. mode | Normal | Continuous? |
*: When one of the following conditions occurs, the continuous operation is suspended and turned to the normal operation.
- Battery voltage remains at 10 V or less for 30 seconds.
Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.