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Expert
217 Answers
- Posted on Aug 04, 2016
Re: I have lost my smart remote key for my Mazda CX-9...
You may need 2 keys to do this, possibly just one. My source does not specify if 1 key will work but here is the procedure i found
With two programmed advanced keys
- Bring the programmed advanced keys (2) and a unprogrammed advanced key into the vehicle.
- Close all doors.
- Insert the supplementary key into the ignition key cylinder. NOTE:
- Complete the procedures up to Step 7 within 30 s after the supplementary key is inserted.
- Turn the ignition switch to the ON position.
- Press the UNLOCK button on advanced key 1.
- Press the UNLOCK button on advanced key 2.
- From the ignition switch in the ON position, switch the ignition switch in the order indicated below.
- ACC->ON->ACC->ON->ACC->ON
- Open the driver-side front door, press the door switch twice , and then close the door. NOTE:
- After Step 3 is completed and the advanced key programming mode is activated, the door lock actuator operates to lock, and then operates to unlock.
- If the door lock actuator does not operate, repeat the procedure from Step 2.
- Press the UNLOCK button on the unprogrammed advanced key twice . NOTE:
- After Step 8 is completed and the advanced key is programmed, the door lock actuator operates to lock, and then operates to unlock.
- If programming more advanced keys, remove the supplementary key once, and then repeat the procedure from Step 2.
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