The days when you can fix your own car may be coming to an end. New vehicles have complex on-board computerized systems densely packed under the hood. Mechanics face an ever climbing learning curve to keep up with advancing automotive technology. We need some technology to solve this problem.
Columbia University’s Computer Graphics and User Interface Lab have created a system that guides you as you make repairs. ARMAR, or Augmented Reality for Maintenance and Repair, is a head mounted display unit that provides graphic overlays to assist you in making repairs. The system has been recently tested with the United States Marine Corps on an armored turret and information on it is published in IEEE. The system guides the user to the damaged area and displays 3D animations to demonstrate what to do. An Android phone provides an interface to control the graphics you view during the process.
I saw this mentioned first in Slashdot Technology: Augmented Reality To Help Mechanics Fix Vehicles. Augmented Reality To Help Military Mechanics Fix Vehicles (Video) article gives you more detailed information and video material.