2. Locate the vehicle's security system fuse. It is typically located under the hood in the fuse box. The fuse will be labeled "ECM" or "Security."
3. Remove the security system fuse using the fuse puller. This will disable the security system.
4. Start the vehicle. The vehicle will start and run even though the security system is disabled.
5. Replace the security system fuse once you are finished driving the vehicle. This will re-enable the security system
