Programming Instructions for 2017 Mazda CX-3 Smart Key Remote Fob

Important Notice: The 2017 Mazda CX-3 does not support manual or on-board programming for smart key remote fobs. Smart key registration requires specialized diagnostic equipment and must be completed by a trained automotive professional.

Programming Procedure:

• Step 1: Confirm that the new smart key fob is specifically compatible with the 2017 Mazda CX-3.
• Step 2: Gather all existing remote fobs. In some cases, previously programmed remotes must be present during reprogramming to avoid being erased from the system.
• Step 3: Schedule service with a qualified automotive technician or facility that specializes in electronic key programming.
• Step 4: If your vehicle is operational, consider driving it to the service location to avoid potential mobile service fees.
• Step 5: Be prepared to provide proof of ownership—such as your vehicle registration and a valid ID—before the technician proceeds.
• Step 6: The technician will connect a diagnostic interface tool to the vehicle’s onboard computer system.
• Step 7: Using manufacturer-specific software, the technician will initiate the smart key programming sequence. This process may include erasing old remotes and registering new ones.
• Step 8: After programming, all remote functions—including keyless entry, push-button start, and proximity unlocking—will be tested for full functionality.
• Step 9: Ask the technician to verify the number of remotes currently linked to the vehicle, ensuring no unauthorized devices are active.
• Step 10: Safely store all spare remotes, and regularly test them to maintain reliability.