I haven't tried it yet. Still looking for the right opportunity to a accelerate all out up to 100+mph. Not sure about a product where this seems to be required step though!
But your right maybe this will help but have to say I'm not holding out too much hope.
Actually that is it. The app already is connected to your car. Now you have linked your phone to the app, the phone is consequently linked to the car.
Just take your phone and hold it next to the door handle and see if it locks /unlocks your car. That will tell you if it's working.
Here is a brief review of my experiences so far of the TCU+ after I installed it on Saturday.
Note, I have only done 35 miles so far and I understand it is still in learning/training mode. What follows are my subjective experiences, I have not measured anything nor am I an expert in the subject...