How do you disconnect the alarm in a 1999 Toyota Avalon XL?

To disconnect the alarm in a 1999 Toyota Avalon XL, locate the alarm system's fuse in the fuse box, usually found under the dashboard or in the engine compartment, and remove it. Alternatively, you can disconnect the vehicle's battery by removing the negative terminal cable for a few minutes, which will reset the alarm system. If the alarm continues to activate, consult the owner's manual for specific instructions or consider seeking professional assistance.