Remote Control Key for Mazda 2 3 5 6 8 M2 M3 M5 M6 C7 C9 M5 BGB1T478SKE12501 KPU41788 SKE12601 313.8315433Mhz4D63Features100 new and high quality1This is for you to replace your worn or broken remote control key. New remote control smart key suitable for Mazda Key.2Best replacement for broken or worn keys, or great for an extra key.3Remote control frequency 313.8315433Mhzbattery4You must program the key and cut the blade at a local auto mechanic before using it.5You will need to have the key blade cut and programmed to match your car at an authorized auto mechanic. Most auto mechanics now offer such services, and charge much less than the dealer.How do I know if this key fits my car 1. Your original key is a smart key. 2. Your original key has the same buttons. 3. Your original key has the same frequency. 4. If the above items match, it is okay to buy this product. Please note that if the chip or key blade type is not the same, do not buy. It will not work.