In the new car during the trial period, cooperate with parts of the engine uneven surface is rubbed off, and gradually formed a relatively smooth working surface, improve the surface quality and fitting accuracy of parts to withstand normal workload.

⑴ prohibited high speeds. Cars in the gear speed should not exceed 70% of the maximum engine speed. It does not allow for a long time at high speed.

⑵ non-overload, overload is not allowed. Once the engine is not working smoothly, immediately change into low gear.

⑶ immediately after engine start, slam on the accelerator pedal is not allowed until the water temperature reaches the normal working humidity, then a smooth start. Straight Cloth must be a block.

⑷ not on bad roads, to reduce vibration and shock. In motion should reduce overload phenomenon caused by sudden acceleration, such as emergency braking, use engine braking or prolonged braking. Try to choose a good road at a constant speed, go together best.

⑸ attention to the engine coolant temperature, the oil level height, found fault should be immediately removed.

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