how to model the air hole of the car?

[jerrylong]

I want to model the air hole of the car
http://bbs.chinavfx.net/attachments/200411/29151358-27.jpg
this is my wireframe(before subdiv)
http://bbs.chinavfx.net/attachments/200411/29151444-28.jpg
this is subdivided model
http://bbs.chinavfx.net/attachments/200411/29151544-29.jpg
http://bbs.chinavfx.net/attachments/200411/29151620-30.jpg
how to avoid the line marked by the red circle?

[Morzog]

When you put two edges close together Max thinks you want a hard edge. If you want that part to be smooth remove one of the edges so there is just one edge there and not two.

[jerrylong]

thanks morzog, it works, very simple
http://bbs.chinavfx.net/attachments/200411/30082632-35.jpg
http://bbs.chinavfx.net/attachments/200411/30082801-37.jpg