Can someone please help me with this please? (2006 Chevy Z71 Loaded.) With the Bose radio on I turn off the ignition, remove the key , and open the door to exit the truck the Bose radio stays on. Is this supposed to happen or do I have some setting set incorrectly? I remember our 2002 Chevy Z71 Avalanche that the radio would stay on until one of the doors was opened, then it would turn off. Thank you in advance for enlightening me on how this should work.