2005 Mazda 3 Key Fob Programming Instructions

This keyless remote programming instructions work for  remote with part # 4238A-41846, GM9A-675RY, BN8P675RY, FCC id KPU41846 on the back of it.

Replacement Remote 4238A-41846, GM9A-675RY, BN8P675RY, KPU41846
Replacement Remote
Perform the steps below to program the remote:

1. No key in the ignition
2. Close all doors.
3. Open the driver’s door.
4. Put the key in the ignition and turn it to ON then back to LOCK position three times
5. Close and open the door 3 times
6. Door locks should cycle (lock then unlock). It not, wait for 40 seconds and start from the top.

7. Press the unlock button on each remote you’re programming twice, door locks should cycle after each remote is programmed. If not, close then open driver’s door once, door locks should cycle. If door locks did not lock and unlock, go back to step 3.
8. Exit from the vehicle and test all remote.

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