I am new to Sirius as it came with a car I just purchased. I have SiriusXM. I personalized my channel guide from the SiriusXM guide this morning and then went to my car to set channels. I am missing a number of channels on the list. I went to chat support and did a signal refresh twice with no luck. The chat technician finally said we had exhausted her troubleshooting capability and gave me a number to call, which is closed. Any suggestions for a newbie?