There is no reset procedure (unless you have a scan tool).
1) If low pressure, add air, then the computer will reset itself after a brief drive.
2) Very cold weather will cause a TPMS (Tire Pressure Monitoring System) fault because the low temperature causes a reduction in tire pressure. For now, running about 5 psi over your normal should help and will not cause any tire issues.
Again, after driving they should automatically reset.
Finally, if none of the above works, then it is possible you have a bad tire sensor, or the batteries have failed. After all, if factory, they are now 13 years old and could be failing.
Most tire places will now try to sell you new TPMS monitors when replacing tires. It's not always necessary, but never a bad idea.
I hope this helps.
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