Answer :

One example of a reserved power that affects your daily life is the right to a driver's license.
 Answer;
One example of a reserved power that affects your daily life is the right to a driver's license.

Explanation;
There are many examples of reserved powers; many things
 that you do every day that are covered by local or state law is an example of the state exercising one of its reserved powers; Including; 
The power to regulate the practice of medicine is a reserved power. 
Regulation of sales of alcohol is a reserved power.