What you can find in the V1.8 update:
All dashes for all cars (GT3 + GT4)
LEDs mapping for all cars (GT3 + GT4)
2nd Dash (Racelogic and Motec in the Ferrari)
Racelogic got an update with V1.8
Tyre Pressure Gadget (Tells you the correct cold pressure)
Ingame Dash page (only visible...