[Bora20]

The tires will not inflate on their own when it warms up, although it may seem like it.

Tire pressure readings drop when it is cold, so if you fill them up to 32 lbs now, they will have too much pressure when warm. However, you should be running the correct pressure, so this would probably be fine for winter.

The button should reset the TMPS system to the new tire pressures in the car, so you can simply reset the system and it will read the 27 lbs reading as the "new zero". Once the tire pressures move out of the range of deflection set into the system (like when it warms back up) the light will come on again.