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HOMESERVICE MANUALSMAZDA20086 S SPORT, 4D HATCHBACK, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 380 (SECURITY SYSTEM AND LOCKS SYSTEM)IMMOBILIZER SYSTEM REPROGRAM PROCEDUREKEY ADDITIONWHEN THE CUSTOMER HAS TWO OR MORE VALID KEYS
2008 Mazda 6 s Sport, 4D Hatchback, Standard

When the customer has two or more valid keys

2008 Mazda 6 s Sport, 4D Hatchback, StandardSECTION When the customer has two or more valid keys
WARNING: This page is about a different car, the 2005 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Identifying Key Addition
G03645436Courtesy of MAZDA MOTORS CORP.
  1. Cut new transponder-equipped key(s).
  2. 2. Using key 1, turn ignition switch to ON position.
    1. Observe illumination of security light in instrument cluster.
    2. After the security light turns off (after approx. 3 seconds from when ignition switch is turned to the ON position), turn key 1 to the LOCK position within approx. 4 seconds  and remove it from the steering lock.
  3. Repeat Step  2 with key 2.
  4. Repeat Step  2 with key 3.
  5. If there are 4-8 keys (new keys), repeat Step  2 .
  6. Verify that the engine starts using the programmed key.
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.