Go to your settings and do the Un-pair on the phone, then power cycle it by pulling the battery & then holding the power button for 25 sec. then re-install the battery, next if you can clear the Bluetooth settings on your car radio do that, repower the phone and then go threw the Pair up cycle see if that reestablishes contact between the two and gets it working..
Let's restore your device and car bluetooth connection! Have you tested your device bluetooth connection with another device or bluetooth headset? If so, will it stay connected?
First, let's ensure your car kit bluetooth technology is still compatible with your device. See this link for compatibility: http://vz.to/1bWHjWb. Has your phone recently gone through any software updates? Let's try removing and readding the bluetooth connection in your car. The instructions for removing and readding the bluetooth connected device would be provided by your car manufacturer. Please let me know how this works out for you. Thanks!
Follow us on Twitter @VZWSupport