1, first park the car in a relatively safe and stable place, open the double flash, and put down the safety triangle plate 50-150 meters away from the rear of the vehicle to warn the car that there 

is a situation here to ensure safety. (On conventional roads, it should be set 50 meters to 100 meters behind the car; On the highway, it should be set 150 meters away from the rear of the car; 

In case of rain and fog, the distance should be raised to 200 meters;)

2, in order to ensure safety, it is recommended to confirm whether to pull the parking brake.

3, with the hand in the form of diagonal will need to replace the tire screws all loosen, do not screw out. Must use a diagonal method to unscrew it one by one, otherwise it is easy to deformation 

due to uneven force. Screw the direction of counterclockwise direction is loose; Clockwise is tight.)

4, Use a jack to align the support point at the bottom of the car, generally between the two gaps at the bottom of the beam. The location marked by the car manufacturer shall prevail, after all, the 

design of each car is not the same.

5, after the alignment of the position can be raised, when the tire completely off the ground when you can easily remove the tire.

6. Install the tire. After installing the spare tire, you can screw on the screw, of course, you need to use a diagonal way, but you do not need to screw it very tightly, and it is good to fix it.

7, after the body down and then tighten those screws, be sure to use the most vigorous tightening, to ensure that the tire does not fall off when driving, so that the tire is installed.