Don't worry: Includes dual-purpose opening tool to help open the remote control (without scratching or damaging the remote control case) and remove the battery.NOT compatible with any 2021 or newer model Mazda. NOT compatible with Mazda flip key. NOT Compatible with the following models: 626 / B-Series / CX-30 / CX-50 / CX-70 / CX-90 / Mazda2 / Mazda5 / MX-30Avoid a Service Appointment for Battery Replacement: Remote reprogramming is not required and Battery replacement is simple.Includes step-by-step installation video: Contains a detailed instructional video (via the link on the product packaging) demonstrating the battery replacement process.Keyless entry remote fob not included: This listing is for OEM Original replacement batteries as provided by Manufacturer for (Smart Key) Remote Fobs.Bundle of One (2) CR2025 Remote Fob Battery and Opening/Pry Tool.