Automobiles are inspected regularly to ensure the safety and prevent pollution by exhaust gas.

At this block, lamps and exhaust gas are inspected. For the night driving, lack of light maintenance is the cause of a poor visibility and it leads to a terrible accident.
Automobiles emit exhaust gas. Exhaust gas negatively affects health and the atmosphere. The exhaust emission is inspected if it complies with the regulations.

When you are too tired or sleepy, or after you take medicine for a cold, you should avoid driving.
And you must fasten seat belt in a car.
Other passenger should be aware of safely issue to prevent accidents.

Damages in accident will differ by types of vehicle even if the vehicles look similar. The Ministry of Land, Infrastructure and Transport compare safety features of the automobiles sold in Japan.
In order to examine the safety performance of automobiles, they place dummies with a sensor in a test vehicle. Then it is collided head-on against a wall and also collided from one side.
Child safety seats are examined too.
They rate the results with easily recognizable sign like stars and publish them. They are available on the brochures and website of the Ministry of Land, Infrastructure and Transport.