Your dealer is being an a**
How long has it been?
They can go to https://www2.jaycopartners.com/jayco...sportal/orders
and enter your order number and get the serial of your new rig (if one has been generated by Jayco yet)
It will say if it's been released for manufacture... It shows your order with options
Most of all it shows the estimated ship date
This is a snippet of the page