What is the little red light and between the speedometer and the temperature gag

What is your question?

I have a little red light on him between the speedometer and the temperature gage on the cluster and it's buzzing what is this and what does it mean

What makes this problem better or worse?

It Stops when I disconnect the battery or put a key on and try cranking

How long has your 2004 Dodge Ram 1500 had this problem?

Stops when I disconnect the battery or put a key on and try crankinga few hours