Check the senai airport site, look for the page - travellers options
http://www.senaiairport.com/travellers.asp?menuid=100120&rootid=100015&parentid=&splid=100001
You mean Lorong selamat, a side lane from macalister road or burma road from the other end?
If you can't wait, try the one on the other side of the road, just as good.