What's the use of a towel on the dashboard?
When the sun is shining for a long time, the windshield of the car will break the plastic on the instrument board, and the aging rate will be accelerated. A towel and a little sleeping on it will reduce the temperature on the instrument panel
A towel is placed above the dashboard to protect the sun from the sun. It has no other function.
It is used to wipe the mist from the glass