As Butchy replied, it's a safety thing when you initially hook up to the truck and move the trailer, it goes into "Travel Lock". I have to unlock it from the screen and then the IPhone will work. It stays unlocked until I move again. Don't know if it's a signal for initial hook up or a movement signal.
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Henry & Lita (Scotty/Bluey Our shelties)
2022 SOB with 2015 Chevy Silverado
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