Next in line, is technology that is mostly associated with fighter jets rather than cars. Done guessing? Its HUD’s or Head’s Up Display which display’s information onto the windshield eliminating the need, again to turn your head to change the song that is currently being played on the audio system and other car functions such as the current speed. Smarter GPS systems are getting smarter, for as more and more systems go online, so does your car. The LR2 from Land Rover has a GPS navigation system that has the ability to give directions to all the nearest emergency facilities such as hospitals. Along with the many other information such as directions, the nearest restaurant and distance from destination GPS is continuing to become more than a way top track your car and progress but enables the car to become smarter. Some vehicles have rear-view cameras that assists the driver when backing up which is usually the hardest thing to do, especially with large or high vehicles. Voice recognition technology is also finding its way into the auto industry allowing the driver to keep his eyes on the road instead of looking for the volume button or change channel on the audio system. Tied up to all the high tech systems on board, it can be used to control almost anything; the sunroof, cell phone, navigation system and much more. In the US, tire monitoring systems have become mandatory since September 1, 2007 and they have the ability to show the pressure of all four tires. Some models also have smart air pressure systems that automatically add or bleed air to maintain equal pressures as needed.