When the exclamation symbol comes on on your dashboard it means there is something in your engine that is not functioning properly. Unfortunately, to find out what the malfunction is, you have to take your vehicle to a mechanic. They have diagnostic tools to find out what the problem is.
You have a tire low on air.
The TPM system in a 2007+ generation Nissan Altima has dashboard light that comes on when there is a difference in tire pressure between two tires. There is a U shaped tire image with an exclamation point in it, which means you have to check tire pressures on all four tires.
Tire Pressure Low
I believe that it means your tire pressure is low.
your power stearing fluid is low or the power steering system is bad.
red flashing light that is car symbol what is it for
Warning light symbols on the dashboard of a vehicle warn of problems to the driver. For example, the warning light symbol of an exclamation on a Lexus 350 dashboard means the tire pressure is low.
It's a tire pressure light. Your tire pressure is off.
You have a soft tire. Check all the tires for correct air pressure.