I'm sure some of you are familiar with the 3G TL issue where every once in a while, the Bluetooth doesn't let go of your phone after you turn off the car and will continue searching until you have a dead battery unless you pull a particular fuse. I have a 3G TL and that's happened to me twice in the past 21 years, though I didn't experience a dead battery either time because I recognized what was happening and immediately searched the forum to remind myself which fuse it was.

My question is, does anyone know whether the 5G TLX has a similar issue? My wife has a 2015 TLX SH-AWD Advance. Earlier this week, the satellite radio seemed to have disappeared (sending a refresh request via XM's website didn't help) and then she noticed that her iPhone was in "Driving" mode even when she had been in the house, with the car turned off and parked outside in the driveway, for a couple of hours. This afternoon, she went outside to drive it and found a dead battery. AAA came within 20 minutes, tested the battery, and installed a new one. So the problem is presumably solved for the moment. But my having a 3G TL prompts me to ask three questions:

1. Does anyone know whether the 5G TLX suffers from a similar issue?
2. Do you think having the battery replaced is likely to have solved the problem, or is the car likely to do it again?
3. If the answer to either of the foregoing questions is that it's likely to recur soon, which fuse do I need to pull? On the 3G TL, pulling one particular fuse and then waiting a few minutes to put it back in solves the problem, so I'm wondering whether I should do the same on the TLX. But I don't know which fuse it would be.

Thanks in advance for any help anyone can provide.

 

Turns out the Bluetooth module, which apparently also controls the satellite radio, failed. She's having it replaced.