Solved

Tires functions

What is happening if heat tire indicator is on red? Low speed or high fuel consumption? Or both?

What is happening if tirea goes under 50% usage? Low speed, high fuel consumption or both?

The tire temp gauge indicates whether tire temps are hot or cold. Red for heated/overheated, blue for cold/stone cold, colorless zone for neither overheating nor stone cold, just the sweet spot :)

As tires begin to wear down they usually lose grip and heat. I'll let you find out the rest :)