A:AnswerThe Onyx EZR only has an inactivity timer called Auto Shut Off which will turn off the radio after 8 hours of no button presses but it does not have a sleep timer. To access the auto shut off press Menu and then scroll to Auto Shut Off and toggle off to on.
A:AnswerNo you don't. It will warn you that it can't establish an internet connection but just click cancel and it will screen advance past that and be fine.
A:AnswerIf this hooks up directly to your factory radio either through FM or auxiliary port you cannot hook it directly to a set of speakers unless possibly the speakers have a auxiliary port and are tied together
A:AnswerYes this radio will fit in your car. We recommend you have Best Buy professionally installed for the best fit and a integrated look and sound. To get the NASCAR channel, you'll need to get the Platinum Plan subscription which will allow you to listen on both this radio and via the SXM app on your phone or connected devices.
A:Answerit does use FM frequency and also auxiliary input on radio or you can get direct hook up through antenna lead with fm direct connect kit also sold by best buy--3 ways co connect.
