So I have a T-Mobile HTC One which I just updated to Kit Kat. Since the update I am unable to use my cars controls to make bluetooth calls. Car is a 2011 Hyundai Sonata. Prior to the update bluetooth worked perfectly for both hands free calling and music playback. Now I can playback music just fine, but when I try and use my steering wheel controls to make a phone call it pops up "downloading contacts from phone" for several seconds, then nothing. I can initiate a call over bluetooth by actually touching the phone, and it works fine over car speaker system. I have tried renaming phone and pairing freshly, but it doesn't make a difference. Anyone else having similar issues or have a solution? Really frustrating when an update breaks a feature you have come to rely on. Thanks in advance
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