All teams except Ferrari . Ferrari was using till Singapore Race pit lights which substitute the lollilop man
FERRARI PIT STOP SIGN

Car entering pit lane

RED LIGHT ON - change tyres , refuelling

ORANGE LIGHT ON - engage 1st gear , ready to go

GREEN LIGHT ON - Red & orange lights off GO
MC LAREN PIT STOP SIGN


Car entering pit lane

Sign in a position to remind the driver to keep his brakes on while tyres are being changed and refuelling is taking place

Sign in a position to remind the driver to put the car in first gear once the jacks are lowered

Sign is raised in front of the driver - GO