Normally mine comes on within a few seconds either Sat or HDD.
Every so often though it can take maybe minute or more. I wonder if it is re-indexing the HDD or something like that.
The one in the Jeep does the same thing. Nature of the beast I guess.
2009 Challenger SRT8
2010 Jeep GC SRT8
11 GMC Sierra Ext Cab, LB
69 Pontiac Grand Prix 428