Review on 🚗 Smart Car Tire Pressure Monitoring System - 6 Alarm Modes for Universal Vehicles - Wireless Solar & USB Charge - 4 External Cap Sensors Included - Real-Time Pressure & Temperature Alerts by Ronnie Polk

Manual Name: Motorcycle Tire Pressure Monitoring System; I have never seen a 4 wheel motorcycle! However, it works on a 4 wheel vehicle! I use it on a 4 wheel trailer. The guide is not user friendly at all. They proved easy to install, but certainly not because of the instruction manual. Example; the same instructions for setting the top pressure as the top temperature. The instructions say you press the right button 4 times for both, but it's actually 2 times for the top press. Here's what I found: Upper pressure = 2 Lower pressure = 3 Temperature control = 4 There is also no explanation of what the letters mean. Apparently: PU means high pressure PL means lower pressure But I'm not sure about others