How do you turn off 1997 Toyota T100 alarm?

To turn off the alarm on a 1997 Toyota T100, insert the key into the driver's side door lock and turn it to the unlock position. If the alarm is still activated, try starting the engine with the key, as this often disables the alarm. Additionally, disconnecting the vehicle's battery for a few minutes may reset the alarm system. If problems persist, consulting the owner's manual or a professional may be necessary.