Programming Instructions for 2018 Mazda CX-3 Smart Key Remote Fob

Important Notice: The 2018 Mazda CX-3 does not offer on-board programming for smart key remote fobs. Programming must be performed by a qualified technician using factory-grade diagnostic tools.

Programming Procedure:

• Step 1: Confirm that the smart key fob you intend to program is compatible with the 2018 Mazda CX-3.
• Step 2: Gather any existing functional smart keys. For some models, all remotes may need to be present during the programming process to remain active.
• Step 3: Schedule an appointment with a certified automotive technician or service provider experienced in smart key programming.
• Step 4: If your vehicle is in working condition, consider driving it to the technician’s location to reduce potential service costs.
• Step 5: Provide proof of ownership, such as the vehicle’s registration and your photo ID, as this may be required before service can begin.
• Step 6: The technician will connect specialized diagnostic equipment to the vehicle’s onboard system to access the key programming interface.
• Step 7: The programming process will involve registering the new smart key and, if applicable, reprogramming any existing remotes.
• Step 8: Once programming is completed, the technician will test the smart key for full functionality, including lock/unlock, push-button start, and proximity entry (if equipped).
• Step 9: Confirm how many remotes are now linked to the vehicle to ensure only authorized keys are active.
• Step 10: Store any extra keys in a secure location, and test all programmed remotes to verify continued functionality.