Step 1 Before install, please wash your roof window without wax, and make it dry! Step 2 Use the Alcohal Pab to clean the area which you need to install the roof spoiler.
Step 3 Squeeze the Primer Adhesion Promoter
on cotton stick 		Step 4 Apply the Primer Adhesion Promoter on the area which you need to paste.
Step 5 Tear the protect cover of the adhesive tape
on the spoiler for only 3~4 cm.		 Step 6 Adjustment the correct position, and then paste a part of the roof spoiler.
Step 7 Correct the position, and tear the tape cover.
Be careful of the position adjustment.		 Step 8 Tear another one tape cover by the same method.
Step 9 Check the position is correct, and then press the spoiler to be stick together harder. Finish~  
 
After the correct install steps, you will see your vehicle become more perfectly.
In fact, this item have very high quality fitment on your vehicle.
About the satisfied feeling for you will be decided by your technology and carefully observation!!
We wish you have a joyful experience on this option of your own vehicle!!