1, before the trip to observe the tire condition. Radial tire - that is usually said that the low-pressure tire, as long as flatness, but low on the line with the feeling of a great stretch under the pedal, not soft on the normal. High-pressure tires - is the inner tube of the bias tire, from the front to see the shoulder area is not prominent, commonly known as "not up cheek", the side and the ground contact area with the normal area is almost normal.
2, pay attention to listen to the sound of tire friction with the ground, I feel not very flat when the buffer force of the road, feeling the acceleration of the fuel situation and there is no change than usual, these are the usual accumulation of experience.
3, under normal circumstances every week to the professional tire repair shop inspection, to add pressure.