Okay, I have a 2007 chevy Colorado, no remote and has roll up windows, you initiate tmps learn by light witch movement 4 times. I also bought a TMPS reset tool. I installed 4 new tpms sensors Mobiletron brand , that is programed for this vehicle. Tires are at 35psi, I do the relearn procedure but low tire light doesn't go off, I took to a Shop and they used their more sophisticated scan tool, and redid the relearn procedure, and the tool read all the sensors and he said the truck is reading the sensors, and said just drive the vehicle. How long do you have to drive the vehicle? I even reconnected the battery on the truck, after I did the relearn procedure, and the low tire light went out for 1 mile and came back on. What is beginning to suck, I bought these sensors, to let tire store install while mounting new tires, and they wouldn't install my sensors, so I had to do myself, took 1.5 hours. They said they cant install as they cant warranty, well, a waiver agreement, I would have solved that issue, but I think its more , they miss the profit margin of selling their own part. I also went to 2 other stores to install, and would considered buying tires from them if they mounted them as part of the deal. But They wanted 80 to $100 to install my sensors, and their tires were $100 more(not ideal). Again I chose to install sensors my self, cause it would have ate up any savings. But I haven't installed new tires yet, trying to get the tpms to work first. Low tire light still on driven 10 miles, I hear in some places 70 to 100 miles, but Ive had this truck 150,000 miles, and not had a tpms sensor issue where conditions are correct and should work.