Mine went on last Wed or Thurs when the temps dropped to around 31 degrees. Withing two miles the warning went off.
Sat. AM checked my tires in 40 degrees. They were at 31, added air to 35 psi. Last time I checked them it was 80 some degrees outside.
System is doing what it is supposed to do, warn you when the temps drop. Appears 29-30 is the point where the system goes on.
For every 10 degress drop in temp, there is a one degree drop in air pressure.
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Black Sheep Hummer Squadron
(ME TOO)
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