How do you fix the security alarm on a 1998 Toyota Corolla?

To fix the security alarm on a 1998 Toyota Corolla, first, check the owner's manual for specific troubleshooting steps. Common issues include a malfunctioning key fob battery, which can be replaced, or a blown fuse in the alarm system. If the alarm is still not functioning, inspect the wiring and connections for any damage. If these steps don't resolve the issue, consulting a professional mechanic or an automotive locksmith may be necessary.