Everything you didn't want to know about installing new TPMS sensors on Lexus / Toyota vehicles
Note: this post is for Lexus, specifically the 4th Gen Lexus RX350 (2016+). I am ASSUMING the process is similar for other Lexus and Toyota. TPMS on the Lexus is a pain. On a GM vehicle, you do the following: Install the new wheels with their new TPMS sensors on the car Put the car into "relearn" mode; and Poke each TPMS sensor with a $25 activation tool . Done. Not so easy on the Lexus/Toyota. The basic steps are: Read the ID codes for the existing TPMS sensors (for future use) Obtain the ID codes for the new TPMS sensors Program / load these ID codes into an OBDII-capable TPMS programming tool; and Connect the tool to the car to upload the new sensor IDs to the car ECU. The main issue with this is that many of the less expensive tools on the market will do only 1 or 2 of these steps. You obviously need a tool that does all of them, and that means a more costly tool. Unfortunately, vendors use confusing terminology such as "trigger", "activation", ...