It is a dual purpose warning light. It will illuminate if the coolant temperature gets too high, and, if air conditioning is fitted, certain faults will cause the warning light to flash. If it is an air conditioning fault then turning the air conditioning off will stop the light from flashing.
snow and sport lights
When mine flashes it means that the coolant level is low.
The car is telling you it has a major problem. Check oil level, engine temperature etc. and don't drive it until it's fixed.
got citreon xantia with a warning light coming up which is a picture of an engine with arrows inside any ideas
Over temperature warning.
Yes. Its the amber warning light on the central display with a picture of a coil on it. It is only used on the diesel version of the car.
red in the morning
press the end of the wiper stalk in
I have only heard them referred to as warning labels and disclaimers.
anti lock braking system
automatic transmission oil temperature warning light
In the A4 it's not a warning light, it should actually indicate that your lights are on.