A car DVD player can easily save you from boredom and excessive tiredness while driving, as it keeps your mind and body focused. However, a point that needs to be noted here is that while watching a DVD on your car DVD player, you need not become too immersed in it that you lose your sense of driving, which can prove to be potentially fatal. However, the advantages of car DVD players far outweigh the cons, and hence it is certainly a viable investment for many car owners.