Proficient in driving to and from work every day, skilled in the operation of car equipment every day, know the logo of every car, know the displacement of every model...... However, those on the cold knowledge of the car, even some of the old drivers driving for many years may not know ~
    Airbags have expiration dates?
    Theoretically, the design life of an automobile's airbag is the same as the service life of the whole vehicle. But due to the lack of design standards, the actual lifespan of airbags is not that long. After 10 years of use, its quality is more difficult to guarantee, must be thoroughly tested, if conditions should be replaced in time.
After the car starts, if the airbag warning light is still flashing or on for a long time, it means that the airbag or the electronic equipment related to the detonation of the airbag has failed. It is necessary to go to the professional after-sales service point to detect the airbag. Usually to maintain the time can also let the after-sales station to detect the airbag.
    Why should the brake be higher than the accelerator?
In fact, the brake and the accelerator are not at the same height, in general, the brake is higher than the accelerator.
    From the point of view of ergonomics, the brake pedal and the accelerator pedal must have a certain degree of identification, brake to prevent the wrong step on the accelerator to ensure the safety of the vehicle. The brake pedal will be about 20mm higher than the accelerator pedal, slightly feel a little uncomfortable, the driver plays a prompt role to prevent the wrong step on the accelerator.
    Glass water, antifreeze why is color?
    Glass water, antifreeze is blue, red or green and has no special meaning, just through the color to tell the owner, this is a toxic liquid, can not drink! In the car glass water, antifreeze, many elements are completed by adding chemical additives, have certain toxic side effects on the body, should be careful to use.