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Discussion Starter #1
My 2019 CX3 does not have the button on the lower left of dashboard to reset the system. The manual is unclear about resetting the system. It states "registering" the sensors by turning the power to on, then to ACC, then shutting it down for 15 minutes. Afterwards drive it for about 10 minutes over 16mph. Does that perform the "reset"?
 

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Im curious about this as well, the worst 'reset' procedure Ive seen was in a 2008 nissan sentra which needed a special tool that only the dealer had for a fee until someone figured out some fancy manner to send signals to the tpms unit by jumping 2 terminals in a sequence. I hope its nothing like that here because this shouldnt even have existed in a old basic nissan in the first place :/
 

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My 2019 CX3 does not have the button on the lower left of dashboard to reset the system. The manual is unclear about resetting the system. It states "registering" the sensors by turning the power to on, then to ACC, then shutting it down for 15 minutes. Afterwards drive it for about 10 minutes over 16mph. Does that perform the "reset"?
Yes, the later system has electronic valve sensors where the early system tapped into rotational speed signals from the ABS sensors. The nice thing is that you can swap the wheels round and the car will still find them.

The next big revision of the CX3 will get a pressure display like the new CX30 and the new 3 has.
 

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I feel TPMS is great for women/men that do not closely monitor their cars. TPMS has helped my wife while I was away on a trip. That said, I check my tires before any trip of length and keep an eye on them so to me it is just another system to cost money to repair or replace...

Our 2016 system works well but is sensitive and triggers much quicker than my Nissan does. That said it is easy to reset IF you set the tire pressure to values required by Mazda... My 2 cents LOL.
 

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What do you mean by "reset"?
 

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in other cars that does not have tpms reset button, you adjust tire pressure
to proper level and drive a short distance and it should clear.
people are correct that owners manual at least i could not find it on how to reset tire warning light.
bad on mazda.

thanks
 

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Discussion Starter #7
Clip from 2019 CX3 Manual

Here is what the manual says about my tire sensors on the 2019 Touring Model:

When changing tires yourself
If you or someone else changes tires, you or someone else can also undertake the steps for the TPMS to complete the ID signal code registration.
1. After tires have been changed, switch the ignition ON, then back to ACC or OFF.
2. Wait for about 15 minutes.
3. After about 15 minutes, drive the vehicle at a speed of at least 25 km/h (16 mph) for 10 minutes and the tire pressure sensor ID signal code will be registered automatically.
NOTE
If the vehicle is driven within about 15 minutes of changing tires, the tire pressure monitoring system warning light will flash because the sensor ID signal code would not have been registered. If this happens, park the vehicle for about 15 minutes, after which the sensor ID signal code will register upon driving the vehicle for 10 minutes.
 

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On my old RX-8, if the TMPS warning was triggered, you simply adjust the pressure and the warning would self-clear. If the warning didn't clear, one or more of your sensors was bad.
 

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From my 2016 Owner's Manual:

"While the vehicle is parked, press and hold the tire pressure monitoring system set switch and verify that the tire pressure monitoring system warning light in the instrument cluster flashes twice and a beep sound is heard once."
 

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From my 2016 Owner's Manual:
"While the vehicle is parked, press and hold the tire pressure monitoring system set switch and verify that the tire pressure monitoring system warning light in the instrument cluster flashes twice and a beep sound is heard once."
The original poster wrote:

"My 2019 CX3 does not have the button on the lower left of dashboard to reset the system."
 
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