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.
To Erase Additional Keys Using Only Two Programmed Keys
2011 Mazda 3 Mazdaspeed, 2.3 3SECTION To Erase Additional Keys Using Only Two Programmed Keys
WARNING: This page is about a different car, the 2002 Mazda Tribute. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
- With two programmed keys, it is possible to erase the codes for all OTHER additional keys to make them unusable (i.e. after they have been lost).
Erasure procedure:
- Follow steps 1-4 as described above.
- After second key, insert the first key AGAIN and switch ignition to ON.
- The security light will flash rapidly for five seconds.
- All key codes BUT the two keys used in this procedure have been erased and will not start the vehicle.
NOTE:
- If the ignition is switched OFF before the five second period (described in step three) has completed, the erasure procedure is cancelled and NO key codes are erased.
RENDER: 1.0x
NO RELATED
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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.