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.
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HOMESERVICE MANUALSTOYOTA2004CELICA GT, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 127 (ANTI-THEFT SYSTEMS)PROGRAMMINGSETTING (ARMING) ANTI-THEFT SYSTEM
2004 Toyota Celica GT, Standard
Setting (Arming) Anti-Theft System
2004 Toyota Celica GT, StandardSECTION Setting (Arming) Anti-Theft System
WARNING: This page is about a different car, the 2003 Lexus ES 300 and 2002 Lexus ES 300. However, it is still accessible from the selected car via links, so may be relevant.
- Turn the ignition key to the LOCK position and remove key. The indicator light flashes by means of the engine immobilizer system.
- Close and lock all the doors, trunk and hood using an ignition key or wireless remote control. If you lock them with wireless remote control, the turn signal light flash once. The flashing indicator light will change to stay on when all the doors, trunk and hood are closed and locked.
- After 30 seconds, the indicator starts flashing and the system is set.
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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.