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.
2003 Mitsubishi Lancer EvolutionFACTORY OEM SERVICE PROCEDURE
Enabling/Disabling The Horn ANSWERBACK Function
WARNING: This page is about a different variant/trim than selected.
- Remove the ignition key.
- Push the UNLOCK switch while holding the LOCK switch pushed for 4-10 seconds.
- If the LOCK switch and UNLOCK switch are released at the same time, the ETACS-ECU tone alarm will sound, indicating that the horn answerback function can be enabled or disabled.
- Enable the horn answerback function when the doors are locked: The ETACS-ECU tone alarm will sound once.
- Disable the horn answerback function when the doors are locked: The ETACS-ECU tone alarm will sound twice.
- If the LOCK switch and UNLOCK switch are released at the same time, 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 3 times.
NOTE: The horn will sound if the doors are locked with the keyless entry system.NOTE: The horns sound when the other doors are locked by the keyless entry system with some door(s) has been locked.
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.