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Home >> Subaru >> 2021 >> WRX STI >> Repair and Diagnosis >> Accessories & Equipment >> Entertainment Systems >> Entertainment System >> Service Diagnostics Mode >> Operation >> Procedure To Switch To Service Diagnostics Mode
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Procedure To Switch To Service Diagnostics Mode

  1. Turn the ignition switch to ACC.
  2. Press "TUNE/SCROLL" knob six times while pressing "HOME" button.
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