It means the "Vehicle Stability Assist" (VSA) is off. This should only be turned off if you are using a spare tire that is smaller than the rest of the tires. There is a button on the lower left part of the dashboard that says "VSA". Push it and the triangle will dissappear.
An exclamation mark inside a triangle is a warning sign. This can be a warning sign on many devices including a car, a computer, or a cell phone.
Usually, " warning!!!"
Low tire pressure
it should appear for a few seconds when you start the car, if it doesnt, then your VSA system needs to be serviced. When you press the VSA button, the symbol comes on as a reminder that Vehicle Stability Control is off.
That would be a warning of danger ahead.
Electronic Stability Program (ESP) warning lamp
A triangle with an exclamation point is a warning icon or sign. This symbol is often found on the computer when a program needs the attention of the user. It is also an icon that sometimes appears on the dash of a car if something in the car needs attention.
Tire pressure warning light.
It means that "tire pressure is low" in one or more tires. May indicate a slow leak in tire.
The traction control is either operating (flashing) or is switched off (constantly lit)
The traction control is either operating (flashing) or is switched off (constantly lit)
That's your LOW tire pressure warning light in a 2002 Ford Windstar