... -5 C~50 C Operating Instructions * Press any button to switch on. * In the situation for measuring tyre pressure: ... driving when tyres are cold. 2. Press the"MOLD"button. When PSI, Bar, Kgf/cm or Kpa Display ... the system for measuring tyre pressure. 3. Press"UNITS"button to choose the unit you Prefer: PSI, Bar, ... measuring tyre tread depth: 1. Press the "MOLD" button. When "mm"or"in"display, the unit Is ...