Saw this on Chloe Kuo’s YouTube channel but looks like 4122 is making a drop in kill switch. Replaces the starter relay with one that has an in line contact switch you can mount anywhere. They do have an application for many Toyota models including LC200. For $100 seems like worth discussing.
41twentytwo.com

Drop-In Kill Switch (Anti-Theft) - 41.22 Inc.
The first Kill Switch with EASY Drop-In Installation! This Kill Switch temporarily disables your vehicle's Starter (or optionally your Fuel Pump) and prevents it from being driven away by car thieves--EVEN IF they have your Key Fob, use a clone of your Key Fob or if they use a Relay Attack! EASY...
