The car fault code is Chuanqi (Special) p2 17700. When this happens, remind the driver that the automobile engine cooling system is short of antifreeze and needs to be added. The specific operation steps of adding antifreeze to the automobile engine cooling system are as follows:
1, open the driver's door of the car.
2. Pull down the hood switch of the car.
3. Lift the hood of the car.
4. Slowly unscrew the cover of the water tank kettle of the car and let off the high-pressure gas inside.
5. Add cooling water to the top of the car kettle.