Some things you should think about when you have a system in your car.
1.Can you hear the noises around you?
It is important to know what is going on around you when you are driving your car. Say an Ambulance or Firetruck is heading for an emergency will you be able to know they are coming up on you if you are listening to your stereo?
2. How will the volume of the Stereo effect your hearing in the long run?
Most car stereo systems are designed to be loud. This may be a problem with your hearing if you are exposed to loud music that these stereos pump out it can permantly damage your hearing or even lead to loss of hearing.