What precautions should be taken when driving at high speed?

Things you need to pay attention to when driving on the highway:

1. Before setting off, be sure to carefully check whether the vehicle's tire pressure, cooling water, brakes, etc. are working properly;

2 , pay attention to choose the correct lane when driving at high speed;

3. Pay attention to the signs before getting off the highway, change lanes in advance, and choose the correct highway intersection;

4. Highway The distance between trains should be kept greater than on ordinary roads.