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 MANUALSTOYOTA2004MATRIX XR, FWD, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 146 (ENGINE IMMOBILIZER SYSTEM)PROGRAMMINGADDITIONAL KEY REGISTRATIONNOTES
2004 Toyota Matrix XR, FWD, Standard
Additional Key Registration: Notes
2004 Toyota Matrix XR, FWD, StandardSECTION Notes
WARNING: This page is about a different car, the 2002 Lexus ES 300. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
- It is possible to register up to 7 master key codes including the already registered key code.
- When any operation time described below is over, registration mode will be stopped forcibly.
- When the next procedure is started while the timer is working, the timer stops working, then the next timer starts.
- When replacing the Ignition Cylinder Key Set or Lock Cylinder Set, register according to the following procedure using the original master key. However, after the registration of the additional master key, the original master key and the original sub-key are not necessary any more, and the fore registration of those key codes should be deleted.
RENDER: 1.0x
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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.