2021 Subaru Outback BaseFACTORY OEM SERVICE PROCEDURE

Wiper Deicer System: Inspection: Notes

NOTE:
System name Initial setting Customize setting
Rr Defogger op. mode Normal Continuous (1)
(1) When one of the following conditions occurs, the continuous operation is suspended and turned to the normal operation.
  1. Ambient temperature at 5Β°C (41Β°F) or more continues for 10 seconds.
  2. Malfunction occurs on ambient sensor.
  3. Vehicle speed of less than 15 km/h (9 MPH) continues 15 minutes (OFF when conditions are met)
  4. Malfunction occurs in CAN communication.
  5. Battery voltage remains at 10 V or less for 30 seconds.
  6. SI-DRIVE [I] mode driving continues for 10 seconds.
Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.