its the low tire pressure warning. check your tires
Usually, " warning!!!"
The exclamation mark on any sign is an alarm or warning. With a fire symbol, the sign is warning of combustibles nearby.
This light indicates that tire pressure is low.
The exclamation point warning light on a BMW 650I indicates low tire pressure.
an exclamation point !
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.
An exclamation mark after a number is the symbol for the factorial function.
Parking bake is on.
If the symbol resembles a a U with an exclamation point and there are square ridges on the bottom of the U that means you have Low Tire Pressure. If the symbol is a complete circle and resembles a sun with an exclamation point in the center it means it is a exterior light that has burned out. All these warning lights & symbols are illustrated and explained in the Owners Manual. See "Related Question" for a handy pdf version of any Owners Manual from 1996 on.
Low tire pressure
Caution or warning
The general warning lab safety symbol consists of a black exclamation point in a yellow triangle. As you'd expect, it is a general warning to laboratory staff that a hazard exists.