My car passed its NCT (National Car Test) tonight. I realize that regular vehicle testing is not something that most of the US members have to worry about, but over here all vehicles are tested. For private cars, the first test comes at 4-years-old, then every other year until they're 10-years-old, and then every year after that. My car's getting on a bit now, so it was a relief that it got through.
The test covers: brakes; emissions; wheels and tires; lights; steering and suspension; chassis and underbody; electrical systems; glass and mirrors; transmission; interior (seat belts etc.); fuel system. If you don't have a valid test, you can get fined and points on your licence.