Read Carefully Before PurchasingBatteries Not Included (CR2032). This is just a blank key that needs to be programmed before use, you need Autel MaxiIM tools like KM100 (X)/ IM508S PRO/ IM608 PRO II to program it. if you don't have the programming tool, you can take it to the mechanic for cutting and programming. Please be informed that the blade is for BMW which may fit your car. If you have any questions, please contact Autelonline @ outlook . com.Built with Latest Technology Proximity Blank K-eyAutel remote fob is brand new high-quality hands-free proximity replacement for select vehicles with push-button ignition access. Replace your l.ost or broken one quickly and easily with this Autel IKEYBW004AL. Our fob is engineered with high-security functionality, which meets or exceeds industry and regulatory standards. OE-quality, Dual-Band, Multi-Frequency Transmitter 315MHz/ 434MHz or 868MHz/ 915MHz, Supports Ultra-Long Range (40 meters/ 130 feet) Frequency Transmission.High Sensitivity 4-Button, Functions Same as OEM Made of premium engineering materials to support anti-fall quality, and functions are the same as the factory original car k-ey, including features L.ock, Unlo.ck, Panic, and open the truck. 1:1 design to replace your l.ost or broken remote one quickly and easily. Kindly note: please make sure your original remote has the same buttons on it!360& 130FT Ultra-Long Remote Safety FeatureUn.lock your car doors quickly and get in your car much faster than you could if you were using a regular car fob. The Remote-Keyless-Entry (RKE) is built-in a long-range antenna to transmit signals to the vehicle. Capable of Ultra-Long Range (40 meters/130 feet) frequency transmission and 360 scientific strong sensitivity.Programmable with Autel MaxiIM ToolsEasy programmable for supported vehicles in as little as a minute by Autel MaxiIM programming tools, such as KM100, IM508S, IM508S PRO, IM608 II, IM608S II, IM608 PRO II, etc. Kindly Note: Autel programmable blank key is not universal, which depends on the vehicle coverage of the programming tool you used. Please reach us for the compatibility first Autelonline @ outlook . com.