2021 Subaru WRX BaseFACTORY OEM SERVICE PROCEDURE

Section 7 (Lighting System): General Description: Caution

WARNING: This page is about a different car, the 2022 Subaru WRX. However, it is still accessible from the selected car via links, so may be relevant.
  • When performing service operation, refer to "Repair Contents" in "General Description". Ref. to REPAIR CONTENTS>REPAIR CONTENTS
  • When performing work on the sensors or modules, be careful of the following.
    • Before disconnecting electrical connectors, be sure to disconnect the ground terminal from the battery sensor. Ref. to REPAIR CONTENTS>NOTE>BATTERY
    • Do not apply any impact. If the parts are accidentally dropped, replace with a new part.
    • Do not expose to high-temperature and humidity.
  • When replacing the parts provided with memory functions, record the memory contents before disconnecting the ground terminal from the battery sensor.
  • Refer to "CAUTION" of "General Description" in "AIRBAG SYSTEM". Ref. to AIRBAG SYSTEM>GENERAL DESCRIPTION
  • Use a dry clean cloth so that no grease or water adheres to the glass portion of the bulb.
  • Always replace with a bulb that is the same model and wattage as those of the old one.
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:

  • 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.