This is most likely the Brake Warning Light. It's usually obvious because it says BRAKE under it but perhaps not always. This indicator light is usually located bottom center of the tachometer gauge.
The exclamation point warning light on a BMW 650I indicates low tire pressure.
handbrake light
Brake system warning light.....
it means your handbrake is on
Tire pressure warning light.
what is the green p warning light on lexus is250
Parking bake is on.
The exclamation mark warning light on a Bobcat means that a problem with the vehicle has been detected. It can range from improper charging to low coolant levels.
transmission control module
Caution or warning
Tire pressure warning light.
The warning light in the bottom area of your tachometer that looks like a circle ( gear ) with an exclamation mark in the middle is your " check transaxle " ( transmission ) warning light . If the light stays on take your vehicle in for servicing