The following is the procedure for connecting: （1）First, clamp the red wire of the starting line to the red positive battery terminal of the "rescue vehicle." （2）Then, clamp the other end of the red wire to the red positive battery terminal of the "rescue vehicle." （3）Clamp the black wire to the black negative battery terminal of the "rescue vehicle." （4）Next, clamp the black wire to the black negative battery terminal of the "rescue vehicle." （5）Start the engine of the "rescue vehicle" first, and then start the engine of the "rescue vehicle." If the "rescue vehicle" still cannot be started, please check if the metal contact parts are not in good contact. After completing the engine start, it is still necessary to remove the starting jump line in order, or there may be a short circuit.

The procedure for removing the line is as follows:

（1）First, remove the black wire from the "rescue vehicle." （2）Next, remove the black wire from the "rescue vehicle." （3）Then, remove the red wire from the "rescue vehicle." （4）Finally, remove the red wire from the "rescue vehicle."

【注意事项】

1. Operate strictly in accordance with the operating procedures.

2. Check the labeled voltage of both batteries to ensure they are the same.

3. Turn off all loads in the car, put it into neutral, pull the hand brake, and start the engine. Do not smoke near the vehicle.

4. If the car battery is frozen, do not start the car, or it may lead to an explosion.

5. Please ensure that the battery wiring polarity is correct.

6. When operating, the car must not come into contact with other vehicles.

7. Car batteries can produce explosive gases! Wear protective goggles when installing cable lines.

8. If acidic substances leak from the battery and spill onto your skin or eyes, immediately rinse with plenty of water and seek medical assistance.

Environmental conditions:

The battery wires can work continuously and reliably under the following environmental conditions:

1. The relative humidity of the air should be less than 85%.

2. The use location is wire-free, without explosive dust, and there are no gases that corrode metals and destroy insulations.

3. The use location should be free from vibration and impact.