So what are you supposed to do when you get a pressure issue? Check every tyre?
That's exactly what you've got to do?

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So what are you supposed to do when you get a pressure issue? Check every tyre?
That's exactly what you've got to do?The vast majority of premium cars only got this feature within the last 5-6 years or so, so I'm not sure why you're surprised an 8 year old Mazda 3 doesn't have it.
TPMS has sensors in the valves which measure the pressure. Every car I have ever driven with TPMS fitted has provided pressure information for each car, even non premium stuff like Ford. It's been mandatory in the USA for years so is actually less new than you'd think
GM have been fitting systems capable of showing individual tyre pressure for 25 years.
The more crude non TPMS system uses the abs wheel speed sensors and therefore won't provide pressure information but neither does it have special sensors to go wrong...
No, leather colouring and non gloss finisherSpray paint and laquer thinner?
I might pop there tomorrow and have them check and tell me which one. Hopefully get them to do it for free....
.. Or you could take 60 seconds out of your day and check the pressures?
What?.. Or you could take 60 seconds out of your day and check the pressures?
Nothing to do with the actual pressures.
Again, would deflating the tyres one by one not then trip the working sensors, and then show you which sensor has actually died? So again, not really costing you anything, other than time, and letting you figure out which sensor is in each wheel, and allow you to change the faulty sensor only.
Or does the system not identify each sensor individually, in which case, how would you know its "sensor 3" that has died?
Again, would deflating the tyres one by one not then trip the working sensors, and then show you which sensor has actually died? So again, not really costing you anything, other than time, and letting you figure out which sensor is in each wheel, and allow you to change the faulty sensor only.
Or does the system not identify each sensor individually, in which case, how would you know its "sensor 3" that has died?