Quote:
Originally Posted by EspressoBoy
We do have TPMS, but it is the INDIRECT type. If we do not have TPMS how is it inside the car we can see the tire pressure is "ok" then?
The TPMS we have in Canada does not use a device inside the tire. So when ordering tires, remember we do not need to buy any extra TPMS devices. We do have to calibrate when we change the tire(s) though. This is very important and a safety issue if not done correctly. I have new winter tires and have yet to try this myself. Can't wait! *yeah right*
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TPMS stands for Tire Pressure Monitor Sensor and the Canadian 1-series don't have sensors inside of the tire that monitor pressure. As it has been stated elsewhere, our 1s have TPW - Tire Pressure Warning system where tire pressure changes are detected by rotational differences between the tires. But with the TPW system, you could put a 245/35 on one side and a 245/55 on the other side, both with equal pressure, and the warning light would be tripped (i.e., nothing with the system is reading tire pressure).