spinning

I know this is a dupe, but this is big enough news not to be buried in another thread

I've noticed that occasionally, when I turn my car on, my SiriusXM radio has reset and gone back to Channel 0. All my preset channels are still programmed, but if I turn the car off while it's on some channel (say, channel 51)...when I power the car back on, Sirius XM is now on channel 0. It's...

Have recently noticed on several occasions that after shutting engine down, there is a strange sound that is similar to a turbo spinning down. Lasts about 5 seconds. Any ideas what that could be?

Am I the only owner who feels that Hyundai dealers are not really prepared to service luxury cars? Their entire experience is dealing with low end purchasers and service accordingly. Mercedes, BMW and Lexus know they are in the luxury car biz and don't haggle with their customers. I don't think...