The problem comes up when the car info system implements phone book access:<p><a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;List_of_Bluetooth_profiles#Phone_Book_Access_Profile_.28PBAP.2C_PBA.29" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;List_of_Bluetooth_profiles#Pho...</a><p>And then tries to act as the dialer (rather than just passing audio to the phone like a headset). With the voice features built into phones now, the car dialer is probably not the better thing to be using. Windows Phone&#x2F;Cortana have a workaround:<p><a href="http:&#x2F;&#x2F;www.windowsphone.com&#x2F;en-us&#x2F;how-to&#x2F;wp8&#x2F;cortana&#x2F;use-cortana-in-my-car" rel="nofollow">http:&#x2F;&#x2F;www.windowsphone.com&#x2F;en-us&#x2F;how-to&#x2F;wp8&#x2F;cortana&#x2F;use-cor...</a><p>So no need for a device, Microsoft has already solved it in software. There&#x27;s no technical reason that Google and Apple can&#x27;t copy the feature.<p>I came back to this thread because I just tried to find a way to do this with Siri and failed.