Have you tried this?
What are the instructions to set up Remote Connect?
To enable Entune™ 3.0 Remote Connect, you must authenticate and initialize your services via the multimedia system.* There is a 6-month complimentary trial.
* If you opted in for Entune™ 3.0 Remote Connect, you should have received an email with a 6-digit authorization code. If you have not received your authorization code via email, please call 1-800-331-4331 for assistance.