2005 Mitsubishi Lancer EvolutionFACTORY OEM SERVICE PROCEDURE

Enabling/Disabling The Horn ANSWERBACK Function

  1. Remove the ignition key.
  2. Push the "UNLOCK" button and then push the "LOCK" button within 4 seconds to 10 seconds.
  3. Release the "LOCK" button within 10 seconds after Step 2 and then release the "UNLOCK" button. The ETACS-ECU tone alarm will sound, indicating that the horn answerback function can be enabled or disabled.
    • Enable the horn answerback function*: The ETACS-ECU tone alarm will sound once. 
    • Disable the horn answerback function: The ETACS-ECU tone alarm will sound twice. 
    • Enable the horn answerback function**: The ETACS-ECU tone alarm will sound three times. 
    NOTE: *: The horn will sound if "LOCK" button is pressed with the doors locked.
    **: The horn will sound if the doors are locked with the keyless entry system.
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.

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